| Symbol | Name | Last | Change | Percent | YTD Percent | 52W-High | 52W-Low | Links |
| AAON | AAON INC | 19.42 | +0.22 | +1.15% | -6.22% | 22.32 | 14.42 | Q C O |
| ABAX | ABAXIS INC | 23.05 | -0.40 | -1.71% | +43.79% | 29.80 | 11.29 | Q C O |
| ABFS | ARKANSAS BEST CORP | 24.02 | +0.12 | +0.50% | -18.35% | 34.37 | 15.57 | Q C O |
| ABM | A B M INDUSTRIES INC | 18.91 | +0.05 | +0.27% | +2.11% | 23.17 | 11.40 | Q C O |
| ACAP | AMERICAN PHYSICIANS CAPITAL IN | 28.49 | -0.01 | -0.04% | -20.40% | 37.38 | 21.47 | Q C O |
| ACAT | ARCTIC CAT INC | 6.43 | -0.03 | -0.46% | +34.24% | 8.47 | 2.40 | Q C O |
| ACO | AMCOL INTL CP | 27.91 | +0.07 | +0.25% | +37.60% | 30.09 | 10.57 | Q C O |
| ACTL | ACTEL CORP | 11.68 | -0.12 | -1.02% | -0.34% | 13.31 | 6.75 | Q C O |
| ADPT | ADAPTEC INC | 3.28 | -0.06 | -1.80% | -0.61% | 3.71 | 2.20 | Q C O |
| AEIS | ADVANCED ENERGY INDUSTRIES INC | 11.50 | +0.02 | +0.17% | +15.58% | 14.58 | 5.36 | Q C O |
| AFAM | ALMOST FAMILY INC | 34.23 | -0.82 | -2.34% | -23.90% | 53.85 | 14.91 | Q C O |
| AGP | AMERIGROUP CORP | 22.01 | -0.10 | -0.45% | -25.44% | 32.40 | 17.42 | Q C O |
| AGYS | AGILYSYS INC | 7.00 | -0.21 | -2.91% | +64.83% | 8.78 | 1.87 | Q C O |
| AHS | AMN HEALTHCARE SVCS | 8.50 | -0.15 | -1.73% | +0.47% | 11.00 | 4.56 | Q C O |
| AIN | ALBANY INTL CP CL A | 21.02 | -0.27 | -1.27% | +70.22% | 21.69 | 4.68 | Q C O |
| AIR | A A R CP | 20.05 | -0.24 | -1.18% | +8.91% | 23.18 | 10.49 | Q C O |
| AIRM | AIR METHODS CORP | 34.55 | +1.86 | +5.69% | +116.07% | 36.38 | 13.15 | Q C O |
| AIT | APPLIED IDNS TECH | 20.62 | -0.08 | -0.39% | +11.48% | 23.62 | 13.80 | Q C O |
| AKR | ACADIA RLTY TR | 15.96 | -0.07 | -0.44% | +16.86% | 17.07 | 8.14 | Q C O |
| ALE | ALLETE INC | 32.96 | -0.45 | -1.35% | +6.67% | 35.19 | 22.68 | Q C O |
| ALGN | ALIGN TECHNOLOGY INC | 16.52 | -0.56 | -3.28% | +88.80% | 18.85 | 5.67 | Q C O |
| ALOG | ANALOGIC CORP | 37.14 | -0.28 | -0.75% | +37.30% | 41.30 | 24.19 | Q C O |
| AMED | AMEDISYS INC | 39.96 | -1.18 | -2.87% | -3.34% | 58.62 | 25.20 | Q C O |
| AMMD | AMERICAN MEDICAL SYSTEMS HOLDIN | 17.48 | +0.06 | +0.34% | +94.44% | 17.50 | 7.99 | Q C O |
| AMSF | AMERISAFE INC | 19.33 | +0.71 | +3.81% | -5.85% | 21.97 | 12.51 | Q C O |
| AMSG | AMSURG CORP | 21.56 | -0.07 | -0.32% | -7.63% | 24.92 | 12.23 | Q C O |
| ANDE | THE ANDERSONS INC | 26.06 | +0.69 | +2.72% | +59.96% | 37.56 | 10.47 | Q C O |
| AOI | ALLIANCE ONE INTL | 4.56 | -0.01 | -0.22% | +55.10% | 5.71 | 1.97 | Q C O |
| AOS | SMITH A O CORP | 41.29 | -0.20 | -0.48% | +43.04% | 45.22 | 20.62 | Q C O |
| APEI | AMERICAN PUBLIC EDUCATION INC | 33.97 | +1.44 | +4.43% | -8.66% | 49.82 | 31.10 | Q C O |
| APOG | APOGEE ENTERPRISES INC | 14.00 | +0.06 | +0.43% | +38.71% | 16.39 | 5.18 | Q C O |
| APSG | APPLIED SIGNAL TECHNOLOGY INC | 20.69 | +0.05 | +0.24% | +18.10% | 26.64 | 12.71 | Q C O |
| ARB | ARBITRON INC | 22.50 | +0.41 | +1.86% | +72.60% | 31.82 | 9.72 | Q C O |
| ARJ | ARCH CHEMICALS INC | 27.78 | -0.25 | -0.89% | +9.12% | 32.22 | 14.78 | Q C O |
| ARQL | ARQULE INC | 3.45 | +0.01 | +0.29% | -18.25% | 6.38 | 2.11 | Q C O |
| ARRS | ARRIS GROUP INC | 10.38 | -0.12 | -1.14% | +30.57% | 13.75 | 5.23 | Q C O |
| ASEI | AMERICAN SCIENCE AND ENGINEERIN | 73.92 | +3.57 | +5.07% | +0.86% | 82.47 | 48.98 | Q C O |
| ASF | ADMINISTAFF INC | 23.45 | -0.76 | -3.14% | +10.03% | 30.32 | 13.07 | Q C O |
| ASGN | ON ASSIGNMENT INC | 6.62 | -0.08 | -1.19% | +16.75% | 6.87 | 1.28 | Q C O |
| ASTE | ASTEC INDUSTRIES INC | 24.25 | -0.29 | -1.18% | -22.60% | 33.99 | 18.52 | Q C O |
| ATAC | ATC TECHNOLOGY CORP | 21.56 | -0.02 | -0.09% | +47.37% | 23.00 | 8.57 | Q C O |
| ATMI | ATMI INC | 14.90 | -0.05 | -0.33% | -3.43% | 19.77 | 8.70 | Q C O |
| ATO | ATMOS ENERGY CP | 28.80 | -0.18 | -0.62% | +26.42% | 29.53 | 19.57 | Q C O |
| ATU | ACTUANT CORP NEW | 16.42 | -0.22 | -1.32% | -13.46% | 20.13 | 7.00 | Q C O |
| ATW | ATWOOD OCEANICS INC | 37.61 | -0.50 | -1.31% | +146.14% | 40.43 | 12.60 | Q C O |
| AVA | AVISTA CORP | 19.29 | -0.14 | -0.72% | +3.22% | 21.11 | 12.37 | Q C O |
| AVAV | AEROVIRONMENT INC | 27.94 | -0.02 | -0.07% | -24.10% | 41.22 | 18.50 | Q C O |
| AVD | AMER VANGUARD CP | 8.01 | +0.29 | +3.76% | -31.22% | 15.78 | 7.25 | Q C O |
| AVID | AVID TECHNOLOGY INC | 12.47 | +0.04 | +0.32% | +14.30% | 15.48 | 8.40 | Q C O |
| AWR | AMER ST WATER | 34.71 | +0.25 | +0.73% | +7.53% | 38.23 | 26.98 | Q C O |
| AXE | ANIXTER INTL INC | 42.75 | -0.30 | -0.70% | +41.93% | 43.80 | 20.97 | Q C O |
| AYI | ACUITY BRANDS INC | 32.42 | -0.12 | -0.37% | -5.39% | 36.79 | 19.74 | Q C O |
| AZZ | AZZ INCORPORATED | 36.11 | +0.53 | +1.49% | +43.86% | 42.72 | 15.09 | Q C O |
| B | BARNES GP INC | 17.11 | -0.26 | -1.50% | +21.87% | 19.11 | 7.58 | Q C O |
| BABY | NATUS MEDICAL INCORPORATED | 14.69 | -0.09 | -0.61% | +13.44% | 17.51 | 6.46 | Q C O |
| BAS | BASIC ENERGY SRVC | 6.92 | +0.09 | +1.32% | -46.93% | 15.18 | 5.30 | Q C O |
| BBOX | BLACK BOX CORP | 26.72 | -0.65 | -2.37% | +2.94% | 37.52 | 16.14 | Q C O |
| BC | BRUNSWICK CP | 10.92 | -0.14 | -1.27% | +159.38% | 13.43 | 1.82 | Q C O |
| BCPC | BALCHEM CORP | 29.54 | +0.22 | +0.75% | +18.59% | 29.68 | 18.72 | Q C O |
| BCSI | BLUE COAT SYSTEMS INC | 24.61 | -0.68 | -2.69% | +192.98% | 26.64 | 6.96 | Q C O |
| BDC | BELDEN INC | 23.51 | +0.02 | +0.09% | +13.73% | 26.88 | 8.10 | Q C O |
| BELFB | BEL FUSE INC | 18.27 | -0.37 | -1.98% | -12.44% | 23.61 | 8.68 | Q C O |
| BEZ | BALDOR ELCT CO | 26.86 | -0.37 | -1.36% | +54.82% | 30.82 | 10.08 | Q C O |
| BGFV | BIG 5 SPORTING GOODS CORP | 17.73 | +0.58 | +3.38% | +246.53% | 18.00 | 2.89 | Q C O |
| BGG | BRIGGS STRATTON DC | 18.66 | -0.35 | -1.84% | +9.42% | 23.34 | 10.78 | Q C O |
| BHE | BENCHMARK ELECTRONIC | 17.53 | -0.08 | -0.45% | +37.27% | 18.79 | 8.60 | Q C O |
| BKE | BUCKLE INC | 29.50 | -0.23 | -0.77% | +45.98% | 36.73 | 12.57 | Q C O |
| BKI | BUCKEYE TECH INC | 9.01 | -0.01 | -0.11% | +147.53% | 12.49 | 1.65 | Q C O |
| BKMU | BANK MUTUAL CORP | 7.00 | -0.01 | -0.14% | -37.63% | 11.44 | 6.51 | Q C O |
| BLKB | BLACKBAUD INC | 22.13 | +0.13 | +0.59% | +67.45% | 24.89 | 8.93 | Q C O |
| BMI | BADGER METER INC | 38.31 | -0.36 | -0.93% | +33.36% | 44.76 | 19.97 | Q C O |
| BMR | BIOMED REALTY TRUST | 13.39 | -0.34 | -2.48% | +21.93% | 15.19 | 5.34 | Q C O |
| BNE | BOWNE AND CO | 7.02 | +0.05 | +0.72% | +20.35% | 9.17 | 0.85 | Q C O |
| BPFH | BOSTON PRIVATE FINANCIAL HOLDIN | 5.36 | unch | unch% | -20.86% | 8.80 | 2.06 | Q C O |
| BRC | BRADY CP CL A | 28.13 | -0.18 | -0.64% | +20.91% | 32.89 | 14.08 | Q C O |
| BRKL | BROOKLINE BANCORP INC | 9.54 | +0.04 | +0.42% | -5.49% | 12.40 | 7.39 | Q C O |
| BRKS | BROOKS AUTOMATION INC | 6.88 | -0.15 | -2.13% | +18.42% | 9.11 | 2.52 | Q C O |
| BRLI | BIO-REFERENCE LABORATORIES INC | 32.24 | +0.24 | +0.75% | +22.91% | 36.25 | 18.35 | Q C O |
| BRS | BRISTOW GROUP INC | 33.47 | -0.44 | -1.30% | +24.93% | 34.99 | 16.42 | Q C O |
| BW | BRUSH ENGINEERED MAT | 18.60 | +0.32 | +1.75% | +46.23% | 27.06 | 6.98 | Q C O |
| BWLD | BUFFALO WILD WINGS INC | 42.52 | -0.02 | -0.05% | +65.77% | 44.80 | 14.50 | Q C O |
| BWS | BROWN SHOE CO INC | 11.05 | -0.22 | -1.95% | +36.45% | 12.33 | 1.95 | Q C O |
| CAB | CABELAS INC | 12.75 | +0.47 | +3.83% | +118.70% | 17.73 | 4.18 | Q C O |
| CACB | CASCADE BANCORP | 1.00 | +0.07 | +7.53% | -85.19% | 9.68 | 0.61 | Q C O |
| CACI | C A C I INTL CL A | 48.36 | -0.84 | -1.71% | +7.25% | 49.38 | 33.90 | Q C O |
| CALM | CAL-MAINE FOODS INC | 27.33 | -0.14 | -0.51% | -1.37% | 31.52 | 16.66 | Q C O |
| CAS | CASTLE A M AND CO | 12.58 | -0.06 | -0.47% | +16.91% | 13.48 | 5.26 | Q C O |
| CASC | CA INC | 25.15 | +0.40 | +1.62% | -15.32% | 34.52 | 12.74 | Q C O |
| CASY | CASEYS GENERAL STORES INC | 32.10 | +0.05 | +0.16% | +42.64% | 32.97 | 18.17 | Q C O |
| CBEY | CBEYOND INC | 12.41 | +0.14 | +1.14% | -22.34% | 20.80 | 9.63 | Q C O |
| CBK | CHRISTOPHER | 6.64 | -0.12 | -1.78% | +22.54% | 8.94 | 2.35 | Q C O |
| CBM | CAMBREX CP | 6.27 | -0.46 | -6.84% | +35.71% | 7.22 | 1.48 | Q C O |
| CBR | CIBER INC | 3.44 | +0.06 | +1.78% | -28.48% | 5.66 | 2.03 | Q C O |
| CBRL | CRACKER BARREL OLD COUNTRY STOR | 33.72 | -0.10 | -0.30% | +68.70% | 36.90 | 10.36 | Q C O |
| CBST | CUBIST PHARMACEUTICALS INC | 17.60 | +0.54 | +3.17% | -27.15% | 28.74 | 13.81 | Q C O |
| CBU | COMMUNITY BK SYS INC | 18.08 | -0.15 | -0.82% | -22.77% | 23.58 | 12.71 | Q C O |
| CCC | CALGON CARBON CP | 14.49 | +0.48 | +3.43% | -5.66% | 19.31 | 10.00 | Q C O |
| CCMP | CABOT MICROELECTRONICS CORP | 31.77 | -0.19 | -0.59% | +21.86% | 36.38 | 18.47 | Q C O |
| CCRN | CROSS COUNTRY HEALTHCARE INC | 8.41 | +0.09 | +1.08% | -4.32% | 10.78 | 4.84 | Q C O |
| CDI | C D I CP | 12.11 | -0.48 | -3.81% | -2.75% | 16.72 | 6.26 | Q C O |