| Code | Name | High | Low | Close | Volume | Change |
| BABY | Natus Medical Incorporated | 13.94 | 13.39 | 13.51 | 136,704 | 0.13 |  | 0.95 |
| BAGL | Einstein Noah Restaurant Group Inc. | 10.63 | 10.23 | 10.30 | 25,308 | 0.02 |  | 0.19 |
| BAMM | Books-A-Million Inc. | 7.650 | 7.250 | 7.410 | 72,214 | 0.140 |  | 1.85 |
| BANF | BancFirst Corporation | 37.28 | 36.84 | 37.20 | 14,650 | 0.20 |  | 0.54 |
| BANFP | BancFirst Corporation | 25.25 | 25.03 | 25.03 | 300 | 0.67 |  | 2.61 |
| BANR | Banner Corporation | 2.880 | 2.730 | 2.750 | 117,582 | 0.050 |  | 1.79 |
| BARE | Bare Escentuals Inc. | 13.70 | 13.28 | 13.52 | 447,602 | 0.10 |  | 0.73 |
| BARI | Bancorp Rhode Island Inc. | 25.44 | 25.05 | 25.32 | 14,616 | 0.11 |  | 0.44 |
| BASI | Bioanalytical Systems Inc. | 1.150 | 1.050 | 1.050 | 6,957 | 0.100 |  | 8.70 |
| BAYN | Bay National Corporation (Maryland) | 1.900 | 1.900 | 1.900 | 4,945 | 0.090 |  | 4.97 |
| BBBB | Blackboard Inc. | 42.07 | 41.45 | 41.82 | 227,662 | 0.16 |  | 0.38 |
| BBBY | Bed Bath & Beyond Inc. | 37.52 | 36.76 | 37.24 | 2,352,362 | 0.13 |  | 0.35 |
| BBEP | BreitBurn Energy Partners L.P. | 11.40 | 11.21 | 11.30 | 97,722 | 0.04 |  | 0.35 |
| BBGI | Beasley Broadcast Group Inc. | 3.600 | 3.260 | 3.600 | 923 | 0.200 |  | 5.88 |
| BBND | BigBand Networks Inc. | 3.700 | 3.580 | 3.660 | 289,018 | 0.010 |  | 0.27 |
| BBNK | Bridge Capital Holdings | 7.450 | 7.110 | 7.170 | 19,000 | 0.070 |  | 0.99 |
| BBOX | Black Box Corporation | 28.75 | 26.16 | 28.69 | 227,408 | 2.39 |  | 9.09 |
| BBSI | Barrett Business Services Inc. | 11.14 | 10.92 | 11.02 | 26,463 | 0.01 |  | 0.09 |
| BBXT | BankAtlantic Bancorp Inc. | 6.950 | 6.500 | 6.500 | 3,240 | 0.250 |  | 3.70 |
| BCAR | Bank of the Carolinas Corporation | 4.390 | 3.770 | 4.390 | 965 | 0.120 |  | 2.81 |
| BCBP | BCB Bancorp Inc. (NJ) | 8.990 | 8.420 | 8.430 | 3,969 | 0.570 |  | 6.33 |
| BCON | Beacon Power Corporation | 0.6400 | 0.6100 | 0.6300 | 506,162 | 0.0200 |  | 3.08 |
| BCPC | Balchem Corporation | 31.16 | 30.47 | 31.15 | 55,925 | 0.29 |  | 0.94 |
| BCRX | BioCryst Pharmaceuticals Inc. | 10.000 | 9.540 | 9.550 | 6,774,706 | 0.850 |  | 8.17 |
| BCSB | BCSB Bankcorp Inc. | 8.220 | 8.210 | 8.210 | 157 | 0.020 |  | 0.24 |
| BCSI | Blue Coat Systems Inc | 25.29 | 24.52 | 25.02 | 529,611 | 0.18 |  | 0.71 |
| BDCO | Blue Dolphin Energy Company | 0.4000 | 0.3600 | 0.3700 | 15,000 | 0.0100 |  | 2.78 |
| BDGE | Bridge Bancorp Inc. | 21.45 | 20.59 | 20.82 | 9,548 | 0.03 |  | 0.14 |
| BDMS | Birner Dental Management Services Inc. | 15.60 | 13.59 | 14.23 | 21,331 | 0.59 |  | 3.98 |
| BDSI | BioDelivery Sciences International Inc. | 4.260 | 4.050 | 4.120 | 103,258 | 0.040 |  | 0.96 |
| BEAT | CardioNet Inc. | 5.100 | 4.950 | 5.030 | 470,425 | 0.010 |  | 0.20 |
| BEAV | BE Aerospace Inc. | 20.00 | 19.52 | 19.96 | 452,252 | 0.03 |  | 0.15 |
| BEBE | bebe stores inc. | 5.690 | 5.530 | 5.660 | 699,566 | 0.080 |  | 1.43 |
| BECN | Beacon Roofing Supply Inc. | 15.59 | 15.18 | 15.35 | 760,500 | 0.00 |  | 0.00 |
| BELFA | Bel Fuse Inc. | 18.00 | 17.39 | 17.75 | 4,965 | 0.19 |  | 1.08 |
| BELFB | Bel Fuse Inc. | 18.02 | 17.30 | 17.93 | 20,536 | 0.49 |  | 2.81 |
| BERK | Berkshire Bancorp Inc. | 6.660 | 5.780 | 6.010 | 6,313 | 0.770 |  | 11.36 |
| BEST | Shiner International Inc. | 1.420 | 1.360 | 1.400 | 38,888 | 0.000 |  | 0.00 |
| BEXP | Brigham Exploration Company | 10.76 | 10.30 | 10.62 | 2,575,112 | 0.11 |  | 1.03 |
| BFED | Beacon Federal Bancorp Inc. | 9.250 | 8.970 | 9.250 | 8,200 | 0.000 |  | 0.00 |
| BFIN | BankFinancial Corporation | 9.560 | 9.150 | 9.220 | 49,274 | 0.110 |  | 1.18 |
| BFLY | Bluefly Inc. | 2.220 | 2.150 | 2.220 | 6,290 | 0.000 |  | 0.00 |
| BFNB | Beach First National Bancshares Inc | 0.8200 | 0.7000 | 0.7000 | 6,667 | 0.1100 |  | 13.41 |
| BFRM | BioForm Medical Inc. | 3.680 | 3.520 | 3.540 | 34,369 | 0.000 |  | 0.00 |
| BFSB | Brooklyn Federal Bancorp Inc. | 11.17 | 10.51 | 11.16 | 7,432 | 0.01 |  | 0.09 |
| BGCP | BGC Partners Inc. | 4.550 | 4.350 | 4.420 | 160,899 | 0.040 |  | 0.90 |
| BGFV | Big 5 Sporting Goods Corporation | 17.46 | 16.40 | 16.54 | 101,266 | 0.37 |  | 2.19 |
| BHIP | Natural Health Trends Corporation | 0.4500 | 0.3000 | 0.3500 | 350,754 | 0.1400 |  | 28.57 |
| BHLB | Berkshire Hills Bancorp Inc. | 18.85 | 18.20 | 18.84 | 29,839 | 0.33 |  | 1.78 |
| BIDU | Baidu.com Inc. | 427.8 | 421.8 | 427.6 | 1,113,425 | 0.4 |  | 0.10 |
| BIDZ | Bidz.com Inc. | 2.450 | 2.340 | 2.420 | 50,577 | 0.010 |  | 0.41 |
| BIIB | Biogen Idec Inc | 46.52 | 45.56 | 46.38 | 2,829,055 | 0.53 |  | 1.16 |
| BIOC | BIOCLINICA INC | 4.220 | 4.110 | 4.110 | 2,720 | 0.070 |  | 1.67 |
| BIOD | Biodel Inc. | 4.290 | 3.640 | 4.150 | 92,549 | 0.400 |  | 10.67 |
| BIOF | BioFuel Energy Corp. | 1.520 | 1.360 | 1.520 | 120,318 | 0.080 |  | 5.56 |
| BIOS | BioScrip Inc. | 7.800 | 7.600 | 7.640 | 197,367 | 0.160 |  | 2.05 |
| BITS | Bitstream Inc. | 6.800 | 6.740 | 6.750 | 19,002 | 0.030 |  | 0.44 |
| BJGP | BMP Sunstone Corporation | 4.260 | 4.120 | 4.180 | 88,503 | 0.040 |  | 0.97 |
| BJRI | BJ's Restaurants Inc. | 17.35 | 16.91 | 17.27 | 211,881 | 0.10 |  | 0.58 |
| BKBK | Britton & Koontz Capital Corporation | 11.14 | 11.14 | 11.14 | 100 | 0.04 |  | 0.36 |
| BKCC | BlackRock Kelso Capital Corporation | 8.290 | 8.000 | 8.080 | 205,153 | 0.030 |  | 0.37 |
| BKMU | Bank Mutual Corporation | 7.050 | 6.850 | 7.000 | 165,926 | 0.090 |  | 1.30 |
| BKOR | Oak Ridge Financial Services Inc. | 5.590 | 5.590 | 5.590 | 200 | 0.440 |  | 8.54 |
| BKRS | Bakers Footwear Group Inc. | 0.8400 | 0.7200 | 0.7200 | 4,056 | 0.0400 |  | 5.88 |
| BKSC | Bank of South Carolina Corp. | 11.01 | 11.00 | 11.00 | 500 | 0.00 |  | 0.00 |
| BKYF | BANK OF KENTUCKY FINANCIAL CORP | 21.38 | 20.37 | 21.29 | 3,005 | 0.68 |  | 3.30 |
| BLDP | Ballard Power Systems Inc. | 2.350 | 2.300 | 2.330 | 43,281 | 0.010 |  | 0.43 |
| BLDR | Builders FirstSource Inc. | 3.910 | 3.790 | 3.820 | 72,475 | 0.030 |  | 0.78 |
| BLKB | Blackbaud Inc. | 21.80 | 21.50 | 21.60 | 183,988 | 0.09 |  | 0.41 |
| BLSW | Bridgeline Software Inc. | 1.160 | 1.150 | 1.160 | 1,200 | 0.070 |  | 5.69 |
| BLTI | BioLase Technology Inc. | 2.100 | 1.910 | 1.910 | 21,297 | 0.150 |  | 7.28 |
| BLUD | Immucor Inc. | 18.97 | 18.52 | 18.77 | 431,341 | 0.03 |  | 0.16 |
| BMC | B M C SOFTWARE | 39.36 | 38.56 | 38.65 | 1,174,224 | 0.03 |  | 0.08 |
| BMRC | Bank of Marin Bancorp | 33.85 | 32.47 | 32.96 | 9,848 | 0.15 |  | 0.45 |
| BMRN | BioMarin Pharmaceutical Inc. | 17.25 | 16.92 | 16.97 | 721,377 | 0.37 |  | 2.13 |
| BMTC | Bryn Mawr Bank Corporation | 15.29 | 14.93 | 15.03 | 17,400 | 0.06 |  | 0.40 |
| BMTI | BioMimetic Therapeutics Inc. | 11.43 | 11.05 | 11.10 | 299,068 | 0.19 |  | 1.68 |
| BNCL | Beneficial Mutual Bancorp Inc. | 9.510 | 9.300 | 9.480 | 86,887 | 0.070 |  | 0.74 |
| BNCN | BNC Bancorp | 6.630 | 6.600 | 6.600 | 6,482 | 0.250 |  | 3.65 |
| BNHN | Benihana Inc. | 6.160 | 6.050 | 6.130 | 13,225 | 0.110 |  | 1.76 |
| BNHNA | Benihana Inc. | 5.370 | 5.150 | 5.290 | 76,238 | 0.060 |  | 1.15 |
| BNSO | Bonso Electronics International Inc. | 1.190 | 1.090 | 1.090 | 4,650 | 0.000 |  | 0.00 |
| BNVI | Bionovo Inc. | 0.4200 | 0.3800 | 0.3800 | 389,215 | 0.0300 |  | 7.32 |
| BOBE | Bob Evans Farms Inc. | 26.28 | 25.19 | 26.25 | 233,578 | 0.82 |  | 3.22 |
| BOCH | Bank of Commerce Holdings (CA) | 5.470 | 5.310 | 5.470 | 1,623 | 0.190 |  | 3.60 |
| BOFI | BofI Holding Inc. | 9.720 | 9.150 | 9.250 | 30,131 | 0.320 |  | 3.34 |
| BOFL | Bank of Florida Corporation | 0.9000 | 0.6500 | 0.7400 | 721,084 | 0.2600 |  | 26.00 |
| BOKF | BOK Financial Corporation | 45.18 | 44.50 | 45.03 | 73,541 | 0.26 |  | 0.58 |
| BOLT | Bolt Technology Corporation | 10.17 | 9.90 | 10.05 | 39,856 | 0.04 |  | 0.40 |
| BOMK | Bank McKenney | 5.110 | 5.100 | 5.110 | 1,501 | 0.060 |  | 1.16 |
| BONT | Bon-Ton Stores Inc. (The) | 13.25 | 12.03 | 13.07 | 485,565 | 0.41 |  | 3.24 |
| BOOM | Dynamic Materials Corporation | 20.00 | 19.65 | 19.91 | 79,667 | 0.02 |  | 0.10 |
| BOOT | LaCrosse Footwear Inc. | 14.44 | 14.44 | 14.44 | 100 | 0.64 |  | 4.64 |
| BOSC | B.O.S. Better Online Solutions | 0.3300 | 0.3100 | 0.3300 | 1,274 | 0.0100 |  | 2.94 |
| BOVA | Bank Of Virginia | 3.030 | 3.000 | 3.000 | 300 | 0.000 |  | 0.00 |
| BPAX | Biosante Pharmaceuticals Inc. | 1.630 | 1.550 | 1.570 | 129,058 | 0.030 |  | 1.88 |
| BPFH | Boston Private Financial Holdings Inc. | 5.420 | 5.140 | 5.240 | 449,299 | 0.040 |  | 0.77 |
| BPHX | BluePhoenix Solutions Ltd. | 2.710 | 2.630 | 2.670 | 42,774 | 0.030 |  | 1.11 |
| BPOP | Popular Inc. | 2.470 | 2.390 | 2.450 | 4,237,476 | 0.010 |  | 0.41 |
| BPOPM | Popular Inc. | 15.50 | 15.50 | 15.50 | 1,350 | 0.40 |  | 2.52 |
| BPOPN | Popular Inc. | 17.40 | 16.75 | 16.80 | 7,800 | 1.19 |  | 6.61 |
| BPOPO | Popular Inc. | 10.99 | 9.70 | 10.55 | 9,481 | 0.29 |  | 2.83 |
| BPOPP | Popular Inc. | 11.00 | 11.00 | 11.00 | 500 | 0.02 |  | 0.18 |
| BPSG | Broadpoint Securities Group Inc. | 6.310 | 5.900 | 5.990 | 419,040 | 0.120 |  | 1.96 |
| BRCD | Brocade Communications Systems Inc. | 8.030 | 7.720 | 8.010 | 24,917,450 | 0.030 |  | 0.37 |
| BRCM | Broadcom Corporation | 29.03 | 28.30 | 28.76 | 9,307,486 | 0.40 |  | 1.37 |
| BRID | Bridgford Foods Corporation | 9.400 | 8.550 | 8.600 | 300 | 0.310 |  | 3.48 |
| BRKL | Brookline Bancorp Inc. | 9.650 | 9.280 | 9.400 | 295,876 | 0.050 |  | 0.53 |
| BRKR | Bruker Corporation | 11.84 | 11.30 | 11.55 | 561,473 | 0.13 |  | 1.14 |
| BRKS | Brooks Automation Inc. | 7.690 | 7.310 | 7.480 | 283,048 | 0.050 |  | 0.66 |
| BRLI | Bio-Reference Laboratories Inc. | 32.15 | 31.58 | 31.94 | 39,857 | 0.12 |  | 0.37 |
| BRNC | Bronco Drilling Company Inc. | 5.790 | 5.610 | 5.680 | 296,680 | 0.090 |  | 1.56 |
| BSDM | BSD Medical Corporation | 2.050 | 1.930 | 2.010 | 38,797 | 0.020 |  | 1.01 |
| BSET | Bassett Furniture Industries | 3.620 | 3.410 | 3.410 | 15,064 | 0.240 |  | 6.58 |
| BSMD | BioSphere Medical Inc. | 2.990 | 2.760 | 2.830 | 28,160 | 0.170 |  | 5.67 |
| BSQR | BSQUARE Corporation | 2.280 | 2.210 | 2.230 | 27,490 | 0.020 |  | 0.89 |
| BSRR | Sierra Bancorp | 7.500 | 7.050 | 7.360 | 48,368 | 0.100 |  | 1.34 |
| BSTC | BioSpecifics Technologies Corp | 32.00 | 30.36 | 30.78 | 22,487 | 0.44 |  | 1.41 |
| BTFG | BancTrust Financial Group Inc. | 3.000 | 2.760 | 2.760 | 16,884 | 0.300 |  | 9.80 |
| BTUI | BTU International Inc. | 4.840 | 4.600 | 4.650 | 3,800 | 0.050 |  | 1.09 |
| BUCY | Bucyrus International Inc. | 52.15 | 50.79 | 52.06 | 1,844,375 | 0.55 |  | 1.05 |
| BUSE | First Busey Corporation | 3.170 | 3.000 | 3.080 | 315,342 | 0.070 |  | 2.22 |
| BVSN | BroadVision, Inc. | 14.01 | 14.01 | 14.01 | 103 | 0.47 |  | 3.25 |
| BWEN | BROADWIND ENERGY INC | 7.200 | 6.650 | 7.050 | 240,511 | 0.010 |  | 0.14 |
| BWINA | Baldwin & Lyons Inc. | 23.40 | 23.19 | 23.20 | 899 | 1.75 |  | 8.16 |
| BWINB | Baldwin & Lyons Inc. | 23.86 | 23.21 | 23.73 | 20,214 | 0.18 |  | 0.76 |
| BWLD | Buffalo Wild Wings Inc. | 41.05 | 40.26 | 40.90 | 318,569 | 0.34 |  | 0.82 |
| BYFC | Broadway Financial Corporation | 6.500 | 6.500 | 6.500 | 407 | 0.010 |  | 0.15 |