| Code | Name | High | Low | Close | Volume | Change |
| BABY | Natus Medical Incorporated | 14.80 | 14.51 | 14.69 | 132,282 | 0.09 |  | 0.61 |
| BAGL | Einstein Noah Restaurant Group Inc. | 13.00 | 12.00 | 12.24 | 93,169 | 1.07 |  | 8.04 |
| BAMM | Books-A-Million Inc. | 8.150 | 7.760 | 8.150 | 40,457 | 0.230 |  | 2.90 |
| BANF | BancFirst Corporation | 37.60 | 36.50 | 37.18 | 14,856 | 0.35 |  | 0.95 |
| BANFP | BancFirst Corporation | 25.71 | 25.71 | 25.71 | 250 | 0.04 |  | 0.16 |
| BANR | Banner Corporation | 2.860 | 2.690 | 2.750 | 158,490 | 0.000 |  | 0.00 |
| BARE | Bare Escentuals Inc. | 13.59 | 12.64 | 12.91 | 886,062 | 0.33 |  | 2.49 |
| BARI | Bancorp Rhode Island Inc. | 25.30 | 24.93 | 25.19 | 8,964 | 0.03 |  | 0.12 |
| BASI | Bioanalytical Systems Inc. | 1.790 | 1.320 | 1.530 | 61,879 | 0.240 |  | 18.60 |
| BAYN | Bay National Corporation (Maryland) | 2.220 | 1.850 | 2.100 | 9,739 | 0.100 |  | 4.55 |
| BBBB | Blackboard Inc. | 41.00 | 39.19 | 40.80 | 487,208 | 0.26 |  | 0.63 |
| BBBY | Bed Bath & Beyond Inc. | 37.35 | 36.65 | 37.14 | 2,583,952 | 0.05 |  | 0.13 |
| BBEP | BreitBurn Energy Partners L.P. | 12.30 | 11.25 | 11.61 | 190,390 | 0.36 |  | 3.01 |
| BBGI | Beasley Broadcast Group Inc. | 3.510 | 3.400 | 3.400 | 600 | 0.120 |  | 3.41 |
| BBND | BigBand Networks Inc. | 4.100 | 3.850 | 3.880 | 273,064 | 0.210 |  | 5.13 |
| BBNK | Bridge Capital Holdings | 6.700 | 6.550 | 6.610 | 5,061 | 0.210 |  | 3.08 |
| BBOX | Black Box Corporation | 27.42 | 26.51 | 26.72 | 63,484 | 0.65 |  | 2.37 |
| BBSI | Barrett Business Services Inc. | 11.65 | 11.44 | 11.64 | 17,261 | 0.06 |  | 0.51 |
| BBXT | BankAtlantic Bancorp Inc. | 8.300 | 7.850 | 7.850 | 3,603 | 0.890 |  | 10.18 |
| BCAR | Bank of the Carolinas Corporation | 4.700 | 4.590 | 4.650 | 6,276 | 0.430 |  | 10.19 |
| BCBP | BCB Bancorp Inc. (NJ) | 9.250 | 8.400 | 9.250 | 602 | 0.470 |  | 4.84 |
| BCON | Beacon Power Corporation | 0.6296 | 0.6100 | 0.6120 | 400,509 | 0.0100 |  | 1.61 |
| BCPC | Balchem Corporation | 29.68 | 28.79 | 29.54 | 59,611 | 0.22 |  | 0.75 |
| BCRX | BioCryst Pharmaceuticals Inc. | 11.35 | 10.68 | 11.28 | 2,798,990 | 0.11 |  | 0.97 |
| BCSB | BCSB Bankcorp Inc. | 8.380 | 8.110 | 8.150 | 1,363 | 0.290 |  | 3.44 |
| BCSI | Blue Coat Systems Inc | 25.64 | 24.49 | 24.61 | 1,037,202 | 0.68 |  | 2.69 |
| BDCO | Blue Dolphin Energy Company | 0.4000 | 0.3504 | 0.3700 | 13,547 | 0.0200 |  | 5.71 |
| BDGE | Bridge Bancorp Inc. | 20.91 | 20.75 | 20.83 | 12,697 | 0.20 |  | 0.95 |
| BDMS | Birner Dental Management Services Inc. | 14.85 | 13.90 | 13.90 | 300 | 0.06 |  | 0.43 |
| BDSI | BioDelivery Sciences International Inc. | 4.150 | 4.030 | 4.130 | 145,319 | 0.040 |  | 0.96 |
| BEAT | CardioNet Inc. | 5.630 | 5.500 | 5.550 | 227,757 | 0.070 |  | 1.25 |
| BEAV | BE Aerospace Inc. | 19.88 | 19.12 | 19.25 | 620,738 | 0.35 |  | 1.79 |
| BEBE | bebe stores inc. | 6.300 | 5.760 | 5.980 | 2,136,113 | 0.550 |  | 8.42 |
| BECN | Beacon Roofing Supply Inc. | 14.78 | 14.30 | 14.45 | 177,310 | 0.27 |  | 1.83 |
| BELFA | Bel Fuse Inc. | 18.12 | 17.55 | 17.79 | 4,396 | 0.32 |  | 1.83 |
| BELFB | Bel Fuse Inc. | 18.76 | 18.02 | 18.27 | 12,815 | 0.37 |  | 1.98 |
| BERK | Berkshire Bancorp Inc. | 6.320 | 6.250 | 6.320 | 1,160 | 0.250 |  | 3.81 |
| BEST | Shiner International Inc. | 1.690 | 1.600 | 1.640 | 41,774 | 0.020 |  | 1.20 |
| BEXP | Brigham Exploration Company | 10.75 | 9.86 | 10.18 | 6,080,808 | 0.56 |  | 5.21 |
| BFED | Beacon Federal Bancorp Inc. | 8.810 | 8.800 | 8.800 | 500 | 0.370 |  | 4.03 |
| BFIN | BankFinancial Corporation | 9.460 | 9.310 | 9.410 | 16,049 | 0.070 |  | 0.74 |
| BFLY | Bluefly Inc. | 2.170 | 2.040 | 2.170 | 12,240 | 0.060 |  | 2.69 |
| BFNB | Beach First National Bancshares Inc | 1.1100 | 0.9500 | 0.9600 | 18,943 | 0.1200 |  | 11.11 |
| BFRM | BioForm Medical Inc. | 4.130 | 3.800 | 3.890 | 213,045 | 0.190 |  | 4.66 |
| BFSB | Brooklyn Federal Bancorp Inc. | 11.61 | 11.36 | 11.45 | 2,608 | 0.30 |  | 2.55 |
| BGCP | BGC Partners Inc. | 4.780 | 4.620 | 4.750 | 209,669 | 0.010 |  | 0.21 |
| BGFV | Big 5 Sporting Goods Corporation | 18.00 | 17.04 | 17.73 | 243,782 | 0.58 |  | 3.38 |
| BHIP | Natural Health Trends Corporation | 0.5000 | 0.4700 | 0.4700 | 6,770 | 0.0300 |  | 6.00 |
| BHLB | Berkshire Hills Bancorp Inc. | 19.56 | 19.32 | 19.54 | 14,558 | 0.05 |  | 0.26 |
| BIDU | Baidu.com Inc. | 410.5 | 390.0 | 409.7 | 2,595,017 | 13.5 |  | 3.41 |
| BIDZ | Bidz.com Inc. | 2.990 | 2.920 | 2.990 | 12,680 | 0.020 |  | 0.67 |
| BIIB | Biogen Idec Inc | 46.47 | 44.11 | 45.76 | 8,626,797 | 1.37 |  | 3.09 |
| BIOC | BIOCLINICA INC | 4.610 | 4.250 | 4.570 | 13,718 | 0.050 |  | 1.08 |
| BIOD | Biodel Inc. | 4.438 | 4.260 | 4.300 | 16,777 | 0.060 |  | 1.38 |
| BIOF | BioFuel Energy Corp. | 1.350 | 1.230 | 1.340 | 90,568 | 0.070 |  | 5.51 |
| BIOS | BioScrip Inc. | 8.060 | 7.720 | 7.890 | 184,712 | 0.080 |  | 1.00 |
| BITS | Bitstream Inc. | 6.918 | 6.858 | 6.890 | 4,760 | 0.040 |  | 0.58 |
| BJGP | BMP Sunstone Corporation | 3.780 | 3.610 | 3.710 | 26,244 | 0.070 |  | 1.85 |
| BJRI | BJ's Restaurants Inc. | 17.21 | 16.87 | 17.04 | 262,063 | 0.01 |  | 0.06 |
| BKBK | Britton & Koontz Capital Corporation | 12.10 | 11.96 | 12.10 | 2,720 | 0.30 |  | 2.54 |
| BKCC | BlackRock Kelso Capital Corporation | 8.490 | 8.100 | 8.190 | 293,463 | 0.180 |  | 2.15 |
| BKMU | Bank Mutual Corporation | 7.080 | 6.930 | 7.000 | 114,445 | 0.010 |  | 0.14 |
| BKOR | Oak Ridge Financial Services Inc. | 5.050 | 5.010 | 5.010 | 2,405 | 0.140 |  | 2.72 |
| BKRS | Bakers Footwear Group Inc. | 0.7600 | 0.7300 | 0.7600 | 4,835 | 0.0100 |  | 1.30 |
| BKSC | Bank of South Carolina Corp. | 11.17 | 11.10 | 11.10 | 2,867 | 0.15 |  | 1.33 |
| BKYF | BANK OF KENTUCKY FINANCIAL CORP | 19.04 | 18.73 | 18.84 | 2,497 | 0.26 |  | 1.36 |
| BLDP | Ballard Power Systems Inc. | 2.220 | 2.100 | 2.180 | 85,280 | 0.020 |  | 0.91 |
| BLDR | Builders FirstSource Inc. | 4.500 | 4.020 | 4.060 | 71,267 | 0.230 |  | 5.36 |
| BLKB | Blackbaud Inc. | 22.31 | 21.69 | 22.13 | 120,144 | 0.13 |  | 0.59 |
| BLSW | Bridgeline Software Inc. | 1.210 | 1.170 | 1.170 | 7,800 | 0.080 |  | 6.40 |
| BLTI | BioLase Technology Inc. | 2.290 | 1.990 | 2.070 | 109,052 | 0.220 |  | 9.61 |
| BLUD | Immucor Inc. | 18.64 | 18.16 | 18.44 | 329,853 | 0.01 |  | 0.05 |
| BMC | B M C SOFTWARE | 37.46 | 36.99 | 37.23 | 1,132,500 | 0.16 |  | 0.43 |
| BMRC | Bank of Marin Bancorp | 33.64 | 33.15 | 33.57 | 12,622 | 0.52 |  | 1.57 |
| BMRN | BioMarin Pharmaceutical Inc. | 16.60 | 16.04 | 16.50 | 558,893 | 0.20 |  | 1.23 |
| BMTC | Bryn Mawr Bank Corporation | 15.20 | 14.45 | 14.64 | 23,714 | 0.50 |  | 3.30 |
| BMTI | BioMimetic Therapeutics Inc. | 11.88 | 11.23 | 11.66 | 151,211 | 0.04 |  | 0.34 |
| BNCL | Beneficial Mutual Bancorp Inc. | 9.370 | 9.150 | 9.270 | 96,556 | 0.050 |  | 0.54 |
| BNCN | BNC Bancorp | 7.000 | 6.960 | 6.970 | 1,400 | 0.000 |  | 0.00 |
| BNHN | Benihana Inc. | 6.300 | 6.290 | 6.300 | 3,548 | 0.100 |  | 1.61 |
| BNHNA | Benihana Inc. | 4.830 | 4.740 | 4.750 | 14,681 | 0.100 |  | 2.06 |
| BNSO | Bonso Electronics International Inc. | 1.260 | 1.150 | 1.260 | 2,490 | 0.010 |  | 0.79 |
| BNVI | Bionovo Inc. | 0.4750 | 0.4450 | 0.4750 | 302,345 | 0.0000 |  | 0.00 |
| BOBE | Bob Evans Farms Inc. | 27.91 | 26.93 | 27.17 | 137,490 | 0.21 |  | 0.77 |
| BOCH | Bank of Commerce Holdings (CA) | 5.750 | 5.715 | 5.750 | 3,226 | 0.200 |  | 3.60 |
| BOFI | BofI Holding Inc. | 9.500 | 9.010 | 9.500 | 29,772 | 0.300 |  | 3.26 |
| BOFL | Bank of Florida Corporation | 1.630 | 1.290 | 1.347 | 137,330 | 0.000 |  | 0.00 |
| BOKF | BOK Financial Corporation | 43.62 | 42.60 | 43.41 | 71,783 | 0.17 |  | 0.39 |
| BOLT | Bolt Technology Corporation | 10.17 | 9.70 | 10.14 | 54,066 | 0.34 |  | 3.47 |
| BOMK | Bank McKenney | 5.910 | 5.910 | 5.910 | 200 | 0.210 |  | 3.68 |
| BONT | Bon-Ton Stores Inc. (The) | 11.15 | 10.54 | 10.95 | 189,307 | 0.11 |  | 1.01 |
| BOOM | Dynamic Materials Corporation | 19.81 | 19.15 | 19.66 | 126,838 | 0.06 |  | 0.30 |
| BOOT | LaCrosse Footwear Inc. | 13.00 | 12.40 | 12.96 | 4,089 | 0.37 |  | 2.94 |
| BOSC | B.O.S. Better Online Solutions | 0.3900 | 0.3800 | 0.3900 | 29,775 | 0.0000 |  | 0.00 |
| BOVA | Bank Of Virginia | 3.000 | 3.000 | 3.000 | 4,939 | 0.000 |  | 0.00 |
| BPAX | Biosante Pharmaceuticals Inc. | 1.790 | 1.610 | 1.760 | 625,629 | 0.020 |  | 1.15 |
| BPFH | Boston Private Financial Holdings Inc. | 5.440 | 5.080 | 5.360 | 482,101 | 0.000 |  | 0.00 |
| BPHX | BluePhoenix Solutions Ltd. | 2.690 | 2.520 | 2.560 | 48,650 | 0.120 |  | 4.48 |
| BPOP | Popular Inc. | 2.210 | 2.150 | 2.190 | 4,214,932 | 0.000 |  | 0.00 |
| BPOPM | Popular Inc. | 16.19 | 16.19 | 16.19 | 100 | 0.63 |  | 4.05 |
| BPOPN | Popular Inc. | 18.23 | 18.23 | 18.23 | 200 | 0.01 |  | 0.05 |
| 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. | 6.400 | 6.050 | 6.370 | 453,254 | 0.160 |  | 2.58 |
| BRCD | Brocade Communications Systems Inc. | 9.170 | 8.920 | 8.990 | 6,672,329 | 0.120 |  | 1.32 |
| BRCM | Broadcom Corporation | 27.38 | 26.75 | 26.88 | 7,669,016 | 0.30 |  | 1.10 |
| BRID | Bridgford Foods Corporation | 8.970 | 8.590 | 8.660 | 1,200 | 0.390 |  | 4.31 |
| BRKL | Brookline Bancorp Inc. | 9.630 | 9.320 | 9.540 | 282,399 | 0.040 |  | 0.42 |
| BRKR | Bruker Corporation | 11.22 | 10.87 | 11.03 | 254,382 | 0.07 |  | 0.63 |
| BRKS | Brooks Automation Inc. | 7.290 | 6.850 | 6.880 | 165,825 | 0.150 |  | 2.13 |
| BRLI | Bio-Reference Laboratories Inc. | 32.43 | 31.49 | 32.24 | 56,244 | 0.24 |  | 0.75 |
| BRNC | Bronco Drilling Company Inc. | 6.280 | 5.630 | 5.880 | 419,118 | 0.270 |  | 4.39 |
| BSDM | BSD Medical Corporation | 2.340 | 2.120 | 2.300 | 31,836 | 0.050 |  | 2.22 |
| BSET | Bassett Furniture Industries | 3.790 | 3.580 | 3.590 | 15,285 | 0.320 |  | 8.18 |
| BSMD | BioSphere Medical Inc. | 3.200 | 2.960 | 3.100 | 1,902 | 0.130 |  | 4.02 |
| BSQR | BSQUARE Corporation | 2.590 | 2.330 | 2.470 | 71,384 | 0.090 |  | 3.52 |
| BSRR | Sierra Bancorp | 7.820 | 7.380 | 7.500 | 25,608 | 0.380 |  | 4.82 |
| BSTC | BioSpecifics Technologies Corp | 31.19 | 29.80 | 30.87 | 3,285 | 0.46 |  | 1.51 |
| BTFG | BancTrust Financial Group Inc. | 3.150 | 3.010 | 3.020 | 20,157 | 0.080 |  | 2.58 |
| BTUI | BTU International Inc. | 5.140 | 4.870 | 5.030 | 9,462 | 0.110 |  | 2.14 |
| BUCY | Bucyrus International Inc. | 51.89 | 49.51 | 50.40 | 3,291,591 | 0.47 |  | 0.92 |
| BUSE | First Busey Corporation | 3.750 | 3.590 | 3.750 | 195,373 | 0.100 |  | 2.74 |
| BVSN | BroadVision, Inc. | 14.50 | 14.25 | 14.25 | 2,875 | 0.22 |  | 1.57 |
| BWEN | BROADWIND ENERGY INC | 5.830 | 5.600 | 5.720 | 77,435 | 0.090 |  | 1.55 |
| BWINA | Baldwin & Lyons Inc. | 21.48 | 21.44 | 21.45 | 1,800 | 0.00 |  | 0.00 |
| BWINB | Baldwin & Lyons Inc. | 22.21 | 21.76 | 21.86 | 7,059 | 0.26 |  | 1.18 |
| BWLD | Buffalo Wild Wings Inc. | 43.01 | 41.83 | 42.52 | 155,245 | 0.02 |  | 0.05 |
| BYFC | Broadway Financial Corporation | 5.570 | 4.740 | 5.570 | 400 | 0.120 |  | 2.20 |