| Code | Name | High | Low | Close | Volume | Change | |
| AAC | Australia Acquisition | 9.970 | 9.970 | 9.970 | 20,100 | 0.000 |  | 0.00 |  |
| AACC | Asset Acceptance Capital | 5.950 | 5.890 | 5.910 | 11,400 | 0.020 |  | 0.34 |  |
| AACOU | Australia Acquisition Corp. | 10.14 | 10.14 | 10.14 | 300 | 0.02 |  | 0.20 |  |
| AACOW | Australia Acquisition | 0.2000 | 0.2000 | 0.2000 | 200 | 0.0100 |  | 4.76 |  |
| AAME | Atlantic American Corp. | 2.800 | 2.720 | 2.750 | 5,200 | 0.000 |  | 0.00 |  |
| AAON | Aaon | 19.61 | 19.02 | 19.06 | 50,300 | 0.41 |  | 2.11 |  |
| AAPL | Apple Inc. | 556.9 | 541.0 | 546.1 | 20,031,900 | 7.1 |  | 1.28 |  |
| AAWW | Atlas Air Worldwide Holdings | 48.16 | 46.78 | 46.89 | 220,300 | 0.63 |  | 1.33 |  |
| AAXJ | MSCI All Country Asia Ex Japan | 51.92 | 51.23 | 51.28 | 9,223,700 | 1.12 |  | 2.14 |  |
| ABAX | Abaxis | 34.64 | 34.09 | 34.24 | 77,000 | 0.00 |  | 0.00 |  |
| ABCB | Ameris Bancorp | 12.26 | 11.77 | 11.78 | 70,200 | 0.34 |  | 2.81 |  |
| ABCD | Cambium Learning Group | 1.820 | 1.360 | 1.470 | 94,900 | 0.320 |  | 17.88 |  |
| ABCO | The Advisory Board Company | 95.64 | 93.63 | 95.04 | 163,800 | 0.90 |  | 0.96 |  |
| ABFS | Arkansas Best Corp. | 13.29 | 13.03 | 13.04 | 366,100 | 0.03 |  | 0.23 |  |
| ABIO | Arca Biopharma | 0.4700 | 0.4100 | 0.4100 | 44,100 | 0.0300 |  | 6.82 |  |
| ABMD | Abiomed | 26.17 | 22.98 | 23.22 | 1,827,800 | 0.52 |  | 2.19 |  |
| ABTL | Autobytel Inc. | 0.7900 | 0.7500 | 0.7600 | 101,000 | 0.0300 |  | 3.80 |  |
| ABVA | Alliance Bankshares Corp. | 4.260 | 4.210 | 4.260 | 1,100 | 0.110 |  | 2.65 |  |
| ACAD | Acadia Pharmaceuticals Inc. | 1.640 | 1.520 | 1.560 | 282,100 | 0.020 |  | 1.27 |  |
| ACAS | American Capital | 9.570 | 9.260 | 9.280 | 4,654,400 | 0.140 |  | 1.49 |  |
| ACAT | Arctic Cat Inc. | 38.37 | 33.34 | 34.21 | 628,000 | 3.76 |  | 9.90 |  |
| ACCL | Accelrys | 7.990 | 7.820 | 7.830 | 65,000 | 0.120 |  | 1.51 |  |
| ACET | Aceto Corp. | 8.540 | 8.410 | 8.420 | 100,300 | 0.050 |  | 0.59 |  |
| ACFC | Atlantic Coast Federal Corp. | 2.200 | 2.200 | 2.200 | 900 | 0.020 |  | 0.90 |  |
| ACFN | Acorn Energy | 10.48 | 10.00 | 10.23 | 220,100 | 0.04 |  | 0.39 |  |
| ACGL | Arch Capital Group Ltd | 39.34 | 38.87 | 38.91 | 420,900 | 0.12 |  | 0.31 |  |
| ACHC | Acadia Healthcare Company Inc. | 16.82 | 15.75 | 16.51 | 3,373,400 | 0.92 |  | 5.90 |  |
| ACHN | Achillion Pharmaceuticals | 7.000 | 6.600 | 6.690 | 398,500 | 0.130 |  | 1.91 |  |
| ACIW | Aci Worldwide | 40.36 | 39.91 | 40.01 | 332,400 | 0.11 |  | 0.27 |  |
| ACLS | Axcelis Technologies | 1.190 | 1.070 | 1.070 | 329,400 | 0.080 |  | 6.96 |  |
| ACNB | Acnb Corp. | 14.70 | 14.61 | 14.61 | 2,500 | 0.29 |  | 1.95 |  |
| ACOM | Ancestry.Com | 23.13 | 21.76 | 22.29 | 856,700 | 0.26 |  | 1.15 |  |
| ACOR | Acorda Therapeutics | 23.48 | 23.12 | 23.22 | 418,700 | 0.14 |  | 0.60 |  |
| ACPW | Active Power | 0.8900 | 0.8500 | 0.8500 | 90,400 | 0.0200 |  | 2.30 |  |
| ACRX | Acelrx Pharmaceuticals | 3.650 | 3.600 | 3.600 | 1,800 | 0.050 |  | 1.37 |  |
| ACTG | Acacia Research Corp. | 37.83 | 36.24 | 36.56 | 388,900 | 0.99 |  | 2.64 |  |
| ACTS | Actions Semiconductor Co. | 1.660 | 1.550 | 1.660 | 146,100 | 0.010 |  | 0.60 |  |
| ACUR | Acura Pharmaceuticals | 2.880 | 2.620 | 2.720 | 44,200 | 0.100 |  | 3.82 |  |
| ACWI | MSCI Acwi | 43.75 | 43.13 | 43.16 | 931,400 | 0.36 |  | 0.83 |  |
| ACWX | MSCI Acwi Ex US | 37.04 | 36.43 | 36.43 | 194,900 | 0.41 |  | 1.11 |  |
| ACXM | Acxiom Corp. | 13.85 | 13.44 | 13.73 | 626,200 | 0.27 |  | 2.01 |  |
| ADAT | Authentidate Holding | 0.7800 | 0.7200 | 0.7300 | 24,600 | 0.0400 |  | 5.19 |  |
| ADBE | Adobe Systems Incorporated | 32.74 | 32.19 | 32.36 | 4,373,700 | 0.03 |  | 0.09 |  |
| ADEP | Adept Technology | 5.320 | 4.890 | 5.000 | 29,200 | 0.450 |  | 8.26 |  |
| ADES | Ada-Es | 26.93 | 25.01 | 25.21 | 118,500 | 1.72 |  | 6.39 |  |
| ADGF | Adams Golf | 10.82 | 10.78 | 10.80 | 8,800 | 0.02 |  | 0.19 |  |
| ADI | Analog Devices | 37.13 | 36.24 | 36.35 | 3,452,500 | 0.55 |  | 1.49 |  |
| ADP | Automatic Data Processing | 53.54 | 53.16 | 53.33 | 2,461,200 | 0.22 |  | 0.41 |  |
| ADRA | Bldrs Asia 50 Adr | 23.18 | 23.18 | 23.18 | 500 | 0.05 |  | 0.22 |  |
| ADRD | Bldrs Developed Markets 100 Adr | 18.33 | 18.19 | 18.24 | 6,900 | 0.09 |  | 0.49 |  |
| ADRE | Bldrs Emerging Markets 50 Adr | 37.77 | 37.10 | 37.21 | 15,300 | 0.28 |  | 0.75 |  |
| ADRU | Bldrs Europe 100 Adr | 18.00 | 18.00 | 18.00 | 1,100 | 0.17 |  | 0.94 |  |
| ADSK | Autodesk | 36.70 | 35.65 | 35.89 | 2,709,400 | 0.56 |  | 1.54 |  |
| ADTN | Adtran | 30.59 | 29.63 | 29.63 | 809,800 | 0.67 |  | 2.21 |  |
| ADUS | Addus Homecare Corp. | 4.160 | 3.990 | 4.000 | 10,500 | 0.190 |  | 4.53 |  |
| ADVS | Advent Software | 27.03 | 26.54 | 26.82 | 124,600 | 0.10 |  | 0.37 |  |
| AEGN | Aegoin Corp | 17.54 | 16.77 | 16.83 | 165,200 | 0.55 |  | 3.16 |  |
| AEGR | Aegerion Pharmaceuticals | 14.59 | 14.11 | 14.56 | 38,000 | 0.28 |  | 1.96 |  |
| AEHR | Aehr Test Systems | 1.430 | 1.140 | 1.200 | 24,100 | 0.000 |  | 0.00 |  |
| AEIS | Advanced Energy Industries | 13.64 | 13.26 | 13.34 | 348,400 | 0.08 |  | 0.60 |  |
| AEPI | Aep Industries Inc. | 34.50 | 33.75 | 34.01 | 19,400 | 0.26 |  | 0.76 |  |
| AERL | Asia Entertainment & Resources Ltd | 5.200 | 5.000 | 5.000 | 57,600 | 0.060 |  | 1.19 |  |
| AETI | American Electric Technologies | 4.550 | 4.370 | 4.510 | 2,000 | 0.010 |  | 0.22 |  |
| AEY | Addvantage Technologies Group | 2.310 | 2.210 | 2.250 | 8,500 | 0.000 |  | 0.00 |  |
| AEZS | Aeterna Zentaris | 0.5700 | 0.5400 | 0.5400 | 657,800 | 0.0200 |  | 3.57 |  |
| AFAM | Almost Family Inc | 22.42 | 21.63 | 21.68 | 26,800 | 0.36 |  | 1.63 |  |
| AFCB | Athens Bancshares Corp. | 14.23 | 14.23 | 14.23 | 1,000 | 0.27 |  | 1.86 |  |
| AFCE | Afc Enterprises | 18.23 | 17.89 | 17.96 | 94,500 | 0.08 |  | 0.45 |  |
| AFFM | Affirmative Insurance Holdings | 0.4900 | 0.4500 | 0.4500 | 300 | 0.0000 |  | 0.00 |  |
| AFFX | Affymetrix | 5.090 | 4.910 | 5.070 | 408,300 | 0.040 |  | 0.80 |  |
| AFFY | Affymax | 14.95 | 14.32 | 14.36 | 993,600 | 0.07 |  | 0.49 |  |
| AFOP | Alliance Fiber Optic Products | 8.300 | 8.130 | 8.210 | 17,400 | 0.030 |  | 0.37 |  |
| AFSI | Amtrust Financial Services | 28.99 | 28.51 | 28.85 | 288,800 | 0.22 |  | 0.77 |  |
| AGEN | Agenus Inc. | 6.100 | 5.770 | 5.870 | 97,200 | 0.170 |  | 2.81 |  |
| AGII | Argo Group International Holdings Ltd | 29.03 | 28.69 | 28.81 | 89,400 | 0.14 |  | 0.49 |  |
| AGNC | American Capital Agency | 32.28 | 31.63 | 31.78 | 5,186,500 | 0.30 |  | 0.94 |  |
| AGYS | Agilysys | 8.810 | 8.640 | 8.660 | 106,000 | 0.090 |  | 1.03 |  |
| AHGP | Alliance Holdings Gp L.P. | 43.50 | 42.19 | 42.35 | 65,400 | 1.19 |  | 2.73 |  |
| AHPI | Allied Healthcare Products | 3.270 | 3.100 | 3.270 | 3,200 | 0.200 |  | 6.51 |  |
| AIMC | Altra Holdings | 17.23 | 16.78 | 17.06 | 153,600 | 0.37 |  | 2.22 |  |
| AINV | Apollo Investment Corp. | 7.160 | 7.000 | 7.010 | 861,300 | 0.050 |  | 0.71 |  |
| AIRM | Air Methods Corp. | 93.92 | 92.46 | 92.69 | 62,800 | 0.33 |  | 0.35 |  |
| AIRT | Air T | 9.570 | 9.450 | 9.570 | 2,800 | 0.120 |  | 1.27 |  |
| AIXG | Aixtron Se | 16.38 | 16.10 | 16.26 | 214,400 | 0.04 |  | 0.25 |  |
| AKAM | Akamai Technologies | 30.79 | 29.14 | 29.17 | 5,193,100 | 1.02 |  | 3.38 |  |
| AKRX | Akorn | 13.20 | 12.97 | 13.05 | 1,094,800 | 0.02 |  | 0.15 |  |
| ALCO | Alico | 23.64 | 22.96 | 23.15 | 13,700 | 0.31 |  | 1.32 |  |
| ALGN | Align Technology | 31.40 | 30.78 | 30.89 | 685,100 | 0.36 |  | 1.15 |  |
| ALGT | Allegiant Travel Company | 65.05 | 63.86 | 64.19 | 101,200 | 0.05 |  | 0.08 |  |
| ALIM | Alimera Sciences | 2.600 | 2.430 | 2.440 | 39,400 | 0.070 |  | 2.79 |  |
| ALKS | Alkermes | 18.24 | 17.94 | 18.22 | 907,800 | 0.23 |  | 1.28 |  |
| ALLB | Alliance Bank | 11.75 | 11.70 | 11.74 | 1,000 | 0.01 |  | 0.09 |  |
| ALLT | Allot Communications Ltd | 24.19 | 23.65 | 23.83 | 343,400 | 0.43 |  | 1.84 |  |
| ALNC | Alliance Financial Corp. | 30.71 | 30.30 | 30.40 | 2,000 | 0.08 |  | 0.26 |  |
| ALNY | Alnylam Pharmaceuticals | 10.58 | 10.27 | 10.29 | 212,800 | 0.18 |  | 1.72 |  |
| ALOG | Analogic Corp. | 67.76 | 66.56 | 66.65 | 53,700 | 0.17 |  | 0.25 |  |
| ALOT | Astro-Med | 8.200 | 8.060 | 8.200 | 14,600 | 0.120 |  | 1.49 |  |
| ALRN | American Learning Corp. | 0.9700 | 0.9300 | 0.9700 | 4,700 | 0.0300 |  | 3.19 |  |
| ALSK | Alaska Communications Systems | 2.050 | 1.780 | 1.850 | 1,089,800 | 0.180 |  | 8.87 |  |
| ALTE | Alterra Capital Holdings Ltd | 23.39 | 23.05 | 23.28 | 384,400 | 0.12 |  | 0.52 |  |
| ALTH | Allos Therapeutics | 1.800 | 1.790 | 1.800 | 215,800 | 0.010 |  | 0.56 |  |
| ALTI | Altair Nanotechnologies Inc. | 0.6800 | 0.6200 | 0.6700 | 91,200 | 0.0500 |  | 8.06 |  |
| ALTR | Altera Corp. | 34.10 | 33.47 | 33.92 | 6,024,700 | 0.37 |  | 1.10 |  |
| ALVR | Alvarion Ltd | 0.5900 | 0.5800 | 0.5800 | 155,400 | 0.0200 |  | 3.33 |  |
| ALXA | Alexza Pharmaceuticals | 0.4200 | 0.3900 | 0.4100 | 775,800 | 0.0000 |  | 0.00 |  |
| ALXN | Alexion Pharmaceuticals | 87.73 | 86.54 | 86.99 | 1,516,200 | 0.26 |  | 0.30 |  |
| AMAG | Amag Pharmaceuticals | 12.98 | 12.52 | 12.53 | 183,400 | 0.39 |  | 3.02 |  |
| AMAP | Autonavi Holdings | 11.74 | 11.17 | 11.53 | 171,900 | 0.03 |  | 0.26 |  |
| AMAT | Applied Materials | 10.90 | 10.65 | 10.66 | 12,208,900 | 0.15 |  | 1.39 |  |
| AMBT | Ambient Corp | 4.530 | 4.470 | 4.500 | 5,400 | 0.110 |  | 2.51 |  |
| AMCC | Applied Micro Circuits Corp. | 5.790 | 5.430 | 5.570 | 659,000 | 0.110 |  | 2.01 |  |
| AMCF | Andatee China Marine Fuel Services | 2.560 | 2.370 | 2.490 | 4,500 | 0.200 |  | 7.43 |  |
| AMCN | Airmedia Group Inc | 2.360 | 2.200 | 2.310 | 57,400 | 0.030 |  | 1.28 |  |
| AMCX | Amc Networks Inc. | 43.23 | 42.10 | 42.18 | 230,100 | 0.25 |  | 0.59 |  |
| AMED | Amedisys Inc | 10.55 | 10.23 | 10.26 | 430,500 | 0.05 |  | 0.48 |  |
| AMGN | Amgen Inc. | 71.18 | 70.52 | 70.98 | 3,410,900 | 0.30 |  | 0.42 |  |
| AMIC | American Independence | 4.510 | 4.500 | 4.510 | 1,100 | 0.060 |  | 1.35 |  |
| AMKR | Amkor Technology | 4.640 | 4.480 | 4.490 | 908,300 | 0.100 |  | 2.18 |  |
| AMLN | Amylin Pharmaceuticals | 28.02 | 27.10 | 27.54 | 4,915,400 | 0.24 |  | 0.88 |  |
| AMNB | American National Bankshares | 23.52 | 23.20 | 23.40 | 3,200 | 0.01 |  | 0.04 |  |
| AMOT | Allied Motion Technologies | 6.450 | 6.150 | 6.240 | 20,000 | 0.020 |  | 0.32 |  |
| AMOV | America Movil S.A.B. De C.V. | 24.58 | 24.13 | 24.40 | 9,200 | 0.00 |  | 0.00 |  |
| AMPE | Ampio Pharmaceutical | 2.990 | 2.570 | 2.820 | 159,900 | 0.260 |  | 10.16 |  |
| AMPL | Ampal-American Israel Corp. | 0.1900 | 0.1800 | 0.1800 | 16,400 | 0.0100 |  | 5.26 |  |
| AMRB | American River Bankshares | 7.260 | 7.070 | 7.070 | 200 | 0.280 |  | 3.81 |  |
| AMRI | Albany Molecular Research | 3.090 | 3.010 | 3.010 | 119,400 | 0.040 |  | 1.31 |  |
| AMRN | Amarin Corporation Plc | 11.68 | 11.13 | 11.24 | 3,561,900 | 0.06 |  | 0.54 |  |
| AMRS | Amyris | 1.760 | 1.570 | 1.580 | 744,500 | 0.220 |  | 12.22 |  |
| AMSC | American Superconductor Corp. | 3.980 | 3.830 | 3.840 | 296,700 | 0.040 |  | 1.03 |  |
| AMSF | Amerisafe | 27.25 | 26.70 | 26.78 | 28,700 | 0.26 |  | 0.96 |  |
| AMSG | Amsurg | 28.80 | 28.32 | 28.39 | 137,600 | 0.21 |  | 0.73 |  |
| AMSWA | American Software | 8.450 | 8.340 | 8.390 | 45,600 | 0.010 |  | 0.12 |  |
| AMTC | Ameritrans Capital Corp. | 0.1700 | 0.1400 | 0.1400 | 8,800 | 0.0600 |  | 30.00 |  |
| AMTCP | Ameritrans Capital Corp. | 1.710 | 1.400 | 1.400 | 900 | 0.320 |  | 18.60 |  |
| AMTD | TD Ameritrade Holding Corp. | 18.47 | 18.22 | 18.38 | 2,578,600 | 0.07 |  | 0.38 |  |
| AMWD | American Woodmark Corp. | 17.13 | 16.50 | 16.50 | 28,900 | 0.07 |  | 0.43 |  |
| AMZN | Amazon.Com | 228.0 | 222.5 | 224.1 | 5,261,900 | 0.3 |  | 0.15 |  |
| ANAC | Anacor Pharmaceuticals | 5.460 | 5.360 | 5.400 | 19,200 | 0.090 |  | 1.69 |  |
| ANAD | Anadigics | 2.100 | 1.900 | 2.050 | 724,500 | 0.100 |  | 5.13 |  |
| ANAT | American National Insurance | 69.97 | 68.65 | 68.66 | 5,800 | 0.76 |  | 1.09 |  |
| ANCB | Anchor Bancorp | 10.75 | 10.72 | 10.75 | 3,700 | 0.00 |  | 0.00 |  |
| ANCI | American Caresource Holdings | 0.5200 | 0.4600 | 0.4700 | 19,900 | 0.0000 |  | 0.00 |  |
| ANCX | Access National Corp. | 12.75 | 12.45 | 12.73 | 11,400 | 0.02 |  | 0.16 |  |
| ANDE | The Andersons | 47.85 | 46.19 | 46.41 | 131,800 | 1.05 |  | 2.21 |  |
| ANEN | Anaren | 19.30 | 18.90 | 19.10 | 93,900 | 0.00 |  | 0.00 |  |
| ANGI | Angie's List Inc. | 13.75 | 13.06 | 13.53 | 3,281,600 | 0.39 |  | 2.97 |  |
| ANGN | Angeion Corp. | 5.790 | 5.320 | 5.750 | 6,200 | 0.140 |  | 2.50 |  |
| ANGO | Angiodynamics | 12.47 | 12.30 | 12.40 | 87,500 | 0.00 |  | 0.00 |  |
| ANIK | Anika Therapeutics Inc. | 14.11 | 13.54 | 13.62 | 93,600 | 0.42 |  | 2.99 |  |
| ANLY | Analysts International Corp. | 3.910 | 3.780 | 3.800 | 24,800 | 0.000 |  | 0.00 |  |
| ANNB | Annapolis Bancorp Inc. | 6.360 | 6.360 | 6.360 | 500 | 0.010 |  | 0.16 |  |
| ANSS | Ansys | 63.76 | 61.80 | 62.32 | 1,148,600 | 0.64 |  | 1.04 |  |
| ANTH | Anthera Pharmaceuticals | 2.150 | 1.970 | 2.010 | 463,900 | 0.090 |  | 4.29 |  |
| ANTP | Phazar Corp | 2.750 | 2.500 | 2.500 | 2,600 | 0.190 |  | 7.06 |  |
| AONE | A123 Systems | 1.0300 | 0.9200 | 0.9300 | 877,500 | 0.0300 |  | 3.13 |  |
| AOSL | Alpha And Omega Semiconductor | 9.850 | 9.690 | 9.760 | 28,300 | 0.050 |  | 0.51 |  |
| APAGF | Apco Oil And Gas International | 24.74 | 20.06 | 24.02 | 123,000 | 3.35 |  | 16.21 |  |
| APEI | American Public Education | 28.25 | 27.66 | 28.03 | 265,500 | 0.26 |  | 0.94 |  |
| APFC | American Pacific Corp. | 8.200 | 8.050 | 8.100 | 19,300 | 0.140 |  | 1.76 |  |
| APKT | Acme Packet | 25.13 | 23.80 | 23.94 | 1,264,500 | 0.57 |  | 2.33 |  |
| APOG | Apogee Enterprises | 16.06 | 15.53 | 15.66 | 219,600 | 0.13 |  | 0.82 |  |
| APOL | Apollo Group | 32.27 | 31.96 | 31.98 | 1,639,400 | 0.01 |  | 0.03 |  |
| APPY | Aspenbio Pharma | 0.6600 | 0.6100 | 0.6500 | 800 | 0.0200 |  | 2.99 |  |
| APRI | Apricus Biosciences Inc | 2.750 | 2.550 | 2.630 | 138,900 | 0.090 |  | 3.31 |  |
| APSA | Alto Palermo S.A. | 14.77 | 13.90 | 14.77 | 5,500 | 0.78 |  | 5.58 |  |
| APWC | Asia Pac Wire &Cable | 3.000 | 2.850 | 3.000 | 11,100 | 0.000 |  | 0.00 |  |
| ARAY | Accuray Incorporated | 6.440 | 6.250 | 6.360 | 458,200 | 0.060 |  | 0.95 |  |
| ARBA | Ariba | 38.46 | 37.52 | 38.10 | 1,033,500 | 0.18 |  | 0.47 |  |
| ARCC | Ares Capital Corp. | 15.38 | 15.05 | 15.15 | 1,617,000 | 0.14 |  | 0.92 |  |
| ARCI | Appliance Recycling Centers | 3.980 | 3.720 | 3.980 | 15,300 | 0.020 |  | 0.50 |  |
| ARCL | Archipelago Learning | 11.10 | 11.08 | 11.08 | 129,300 | 0.00 |  | 0.00 |  |
| ARCP | American Realty Capital Propert | 11.08 | 10.91 | 10.95 | 6,200 | 0.12 |  | 1.08 |  |
| ARCT | American Realty Capital Trust | 11.00 | 10.76 | 10.95 | 1,438,800 | 0.08 |  | 0.74 |  |
| ARCW | Arc Wireless Solutions | 3.070 | 3.070 | 3.070 | 200 | 0.050 |  | 1.60 |  |
| ARDNA | Arden Group | 84.40 | 84.00 | 84.02 | 500 | 0.57 |  | 0.68 |  |
| AREX | Approach Resources Inc. | 30.33 | 29.03 | 29.50 | 492,200 | 0.12 |  | 0.41 |  |
| ARGN | Amerigon Incorporated | 13.15 | 12.45 | 12.48 | 374,700 | 0.49 |  | 3.78 |  |
| ARIA | Ariad Pharmaceuticals | 17.60 | 17.21 | 17.52 | 3,718,000 | 0.25 |  | 1.45 |  |
| ARII | American Railcar Industries | 22.58 | 21.65 | 21.69 | 147,000 | 0.36 |  | 1.63 |  |
| ARKR | Ark Restaurants | 14.90 | 14.84 | 14.90 | 2,000 | 0.10 |  | 0.68 |  |
| ARLP | Alliance Resource Partners L.P. | 59.75 | 58.00 | 58.21 | 78,200 | 0.52 |  | 0.89 |  |
| ARMH | Arm Holdings Plc | 23.48 | 22.97 | 23.02 | 3,316,300 | 0.17 |  | 0.73 |  |
| ARNA | Arena Pharmaceuticals | 5.890 | 5.530 | 5.670 | 26,600,400 | 0.390 |  | 6.44 |  |
| AROW | Arrow Financial Corp. | 23.98 | 23.55 | 23.61 | 15,400 | 0.09 |  | 0.38 |  |
| ARQL | Arqule | 6.780 | 6.530 | 6.730 | 447,400 | 0.200 |  | 3.06 |  |
| ARRS | Arris Group Inc | 12.51 | 12.23 | 12.25 | 592,600 | 0.12 |  | 0.97 |  |
| ARRY | Array Biopharma Inc. | 3.690 | 3.590 | 3.650 | 790,200 | 0.050 |  | 1.39 |  |
| ARTC | Arthrocare Corp. | 25.00 | 24.54 | 24.61 | 272,000 | 0.10 |  | 0.41 |  |
| ARTNA | Artesian Resources Corp. | 19.59 | 19.21 | 19.31 | 10,900 | 0.11 |  | 0.57 |  |
| ARTW | Art'S-Way Manufacturing Co. | 7.400 | 7.170 | 7.170 | 2,500 | 0.170 |  | 2.32 |  |
| ARTX | Arotech Corp. | 1.0200 | 0.9100 | 0.9400 | 27,100 | 0.0500 |  | 5.05 |  |
| ARUN | Aruba Networks | 16.21 | 15.64 | 15.70 | 3,995,500 | 0.25 |  | 1.57 |  |
| ARWR | Arrowhead Research Corp. | 5.090 | 4.860 | 4.950 | 17,300 | 0.090 |  | 1.85 |  |
| ASBB | Asb Bancorp Inc. | 13.93 | 13.60 | 13.91 | 6,000 | 0.34 |  | 2.39 |  |
| ASBC | Associated Banc-Corp | 12.99 | 12.78 | 12.78 | 1,269,700 | 0.07 |  | 0.54 |  |
| ASBCW | | 1.620 | 1.620 | 1.620 | 800 | 0.000 |  | 0.00 |  |
| ASBI | Ameriana Bancorp | 6.500 | 6.000 | 6.000 | 6,600 | 0.360 |  | 6.38 |  |
| ASCA | Ameristar Casinos | 18.92 | 18.72 | 18.78 | 110,800 | 0.07 |  | 0.37 |  |
| ASCMA | Ascent Media Corp. | 51.93 | 50.23 | 51.42 | 24,800 | 1.14 |  | 2.27 |  |
| ASEI | American Science And Engineering | 52.05 | 50.04 | 50.47 | 223,600 | 0.74 |  | 1.45 |  |
| ASFI | Asta Funding | 8.870 | 8.640 | 8.800 | 27,600 | 0.080 |  | 0.90 |  |
| ASGN | On Assignment | 16.82 | 16.27 | 16.50 | 177,500 | 0.27 |  | 1.66 |  |
| ASIA | Asiainfo-Linkage | 11.79 | 11.53 | 11.58 | 90,500 | 0.02 |  | 0.17 |  |
| ASMI | Asm International N.V. | 38.59 | 37.91 | 38.07 | 78,600 | 2.19 |  | 6.10 |  |
| ASML | Asml Holding N.V. | 47.31 | 46.28 | 46.32 | 2,274,700 | 1.15 |  | 2.42 |  |
| ASNA | Ascena Retail Group | 19.93 | 19.43 | 19.47 | 1,372,600 | 0.11 |  | 0.56 |  |
| ASPS | Altisource Portfolio Solutions S.A. | 56.84 | 55.08 | 55.33 | 70,400 | 1.53 |  | 2.69 |  |
| ASRV | Ameriserv Financial Inc. | 3.000 | 2.870 | 2.870 | 12,200 | 0.180 |  | 5.90 |  |
| ASRVP | Ameriserv Financial Inc. | 26.26 | 26.26 | 26.26 | 100 | 0.01 |  | 0.04 |  |
| ASTC | Astrotech Corp. | 1.260 | 1.170 | 1.240 | 55,500 | 0.020 |  | 1.59 |  |
| ASTE | Astec Industries | 30.25 | 28.73 | 28.91 | 132,800 | 1.09 |  | 3.63 |  |
| ASTI | Ascent Solar Technologies | 0.6000 | 0.5500 | 0.5600 | 18,900 | 0.0300 |  | 5.08 |  |
| ASTM | Aastrom Biosciences | 2.430 | 2.210 | 2.250 | 298,900 | 0.070 |  | 3.02 |  |
| ASTX | Astex Pharmaceuticals Inc | 1.690 | 1.630 | 1.630 | 131,500 | 0.000 |  | 0.00 |  |
| ASUR | Asure Software Inc | 5.090 | 4.900 | 4.980 | 2,900 | 0.110 |  | 2.16 |  |
| ASYS | Amtech Systems | 4.860 | 4.600 | 4.600 | 168,100 | 0.190 |  | 3.97 |  |
| ATAI | Ata Inc. | 6.750 | 6.750 | 6.750 | 6,400 | 0.000 |  | 0.00 |  |
| ATAX | America First Tax Exempt L.P. | 5.830 | 5.730 | 5.730 | 62,100 | 0.080 |  | 1.38 |  |
| ATEA | Astea International | 2.710 | 2.450 | 2.650 | 17,100 | 0.150 |  | 5.36 |  |
| ATEC | Alphatec Holdings | 1.900 | 1.770 | 1.770 | 189,200 | 0.000 |  | 0.00 |  |
| ATHN | Athenahealth | 77.18 | 73.29 | 73.52 | 493,100 | 2.08 |  | 2.75 |  |
| ATHX | Athersys | 1.480 | 1.420 | 1.420 | 33,400 | 0.040 |  | 2.74 |  |
| ATLO | Ames National Corp. | 20.74 | 20.05 | 20.05 | 3,300 | 0.15 |  | 0.74 |  |
| ATMI | Atmi Inc. | 20.10 | 19.56 | 19.57 | 94,600 | 0.35 |  | 1.76 |  |
| ATML | Atmel Corp. | 7.650 | 7.360 | 7.370 | 6,018,800 | 0.170 |  | 2.25 |  |
| ATNI | Atlantic Tele-Network | 35.35 | 34.47 | 34.48 | 42,700 | 0.45 |  | 1.29 |  |
| ATNY | Api Technologies | 3.630 | 3.540 | 3.570 | 49,500 | 0.040 |  | 1.11 |  |
| ATPG | Atp Oil & Gas Corp. | 6.300 | 5.710 | 5.750 | 1,543,500 | 0.100 |  | 1.71 |  |
| ATRC | Atricure | 8.300 | 8.070 | 8.220 | 42,300 | 0.180 |  | 2.24 |  |
| ATRI | Atrion Corp. | 230.3 | 227.2 | 229.8 | 4,000 | 0.9 |  | 0.40 |  |
| ATRM | Aetrium Inc. | 0.6000 | 0.5800 | 0.5900 | 7,600 | 0.0200 |  | 3.28 |  |
| ATRO | Astronics Corp. | 28.74 | 27.90 | 28.04 | 35,600 | 0.41 |  | 1.44 |  |
| ATSG | Air Transport Services Group Inc | 5.790 | 5.510 | 5.520 | 285,800 | 0.270 |  | 4.66 |  |
| ATVI | Activision Blizzard Inc | 12.81 | 12.34 | 12.38 | 12,174,400 | 0.40 |  | 3.13 |  |
| ATX | Cross [A.T.] Company | 10.51 | 10.29 | 10.29 | 8,300 | 0.11 |  | 1.06 |  |
| AUBN | Auburn National Bancorporation | 23.96 | 23.27 | 23.96 | 1,000 | 0.41 |  | 1.74 |  |
| AUDC | Audiocodes Ltd | 2.110 | 1.980 | 2.000 | 77,200 | 0.120 |  | 5.66 |  |
| AUTH | Authentec | 3.860 | 3.660 | 3.700 | 106,300 | 0.070 |  | 1.86 |  |
| AUXL | Auxilium Pharmaceuticals | 18.59 | 18.27 | 18.48 | 281,000 | 0.05 |  | 0.27 |  |
| AVAV | Aerovironment | 24.08 | 22.90 | 23.05 | 212,600 | 0.59 |  | 2.50 |  |
| AVCA | Advocat | 6.550 | 6.300 | 6.370 | 10,800 | 0.110 |  | 1.76 |  |
| AVEO | Aveo Pharmaceuticals | 12.72 | 12.32 | 12.59 | 857,800 | 0.11 |  | 0.87 |  |
| AVGO | Avago Technologies | 31.66 | 30.71 | 30.77 | 1,945,100 | 0.28 |  | 0.90 |  |
| AVHI | Av Homes Inc | 12.86 | 11.50 | 11.69 | 33,100 | 1.13 |  | 8.81 |  |
| AVID | Avid Technology | 7.360 | 7.030 | 7.050 | 167,400 | 0.170 |  | 2.35 |  |
| AVII | Avi Biopharma | 0.7800 | 0.7100 | 0.7200 | 538,600 | 0.0300 |  | 4.00 |  |
| AVNR | Avanir Pharmaceuticals Inc | 2.960 | 2.860 | 2.860 | 671,300 | 0.030 |  | 1.04 |  |
| AVNW | Aviat Networks | 2.640 | 2.560 | 2.580 | 85,700 | 0.040 |  | 1.53 |  |
| AWAY | Homeaway Inc. | 26.87 | 25.06 | 26.35 | 1,211,700 | 0.66 |  | 2.57 |  |
| AWRE | Aware | 5.600 | 5.450 | 5.600 | 36,100 | 0.150 |  | 2.75 |  |
| AXAS | Abraxas Petroleum Corp. | 2.730 | 2.500 | 2.510 | 887,000 | 0.100 |  | 3.83 |  |
| AXFN | MSCI Ex US Financials Sector | 20.75 | 20.74 | 20.75 | 1,200 | 0.25 |  | 1.19 |  |
| AXJS | | 55.00 | 54.66 | 54.87 | 900 | 1.40 |  | 2.49 |  |
| AXTI | Axt Inc | 3.980 | 3.870 | 3.880 | 156,100 | 0.020 |  | 0.51 |  |
| AZPN | Aspen Technology | 22.18 | 21.66 | 21.85 | 371,200 | 0.27 |  | 1.22 |  |