| Symbol | Name | Last | Change | Percent | YTD Percent | 52W-High | 52W-Low | Links |
| AAON | AAON INC | 19.59 | -0.08 | -0.41% | -5.39% | 22.32 | 14.42 | Q C O |
| ABAX | ABAXIS INC | 22.56 | -0.02 | -0.09% | +40.74% | 29.80 | 11.29 | Q C O |
| ABFS | ARKANSAS BEST CORP | 24.87 | +0.31 | +1.26% | -15.46% | 34.37 | 15.57 | Q C O |
| ABM | A B M INDUSTRIES INC | 18.80 | -0.22 | -1.16% | +1.51% | 23.17 | 11.40 | Q C O |
| ACAP | AMERICAN PHYSICIANS CAPITAL IN | 27.50 | +0.06 | +0.22% | -23.17% | 37.38 | 21.47 | Q C O |
| ACAT | ARCTIC CAT INC | 6.75 | -0.08 | -1.17% | +40.92% | 7.99 | 2.40 | Q C O |
| ACO | AMCOL INTL CP | 27.59 | +0.20 | +0.73% | +36.88% | 29.91 | 10.50 | Q C O |
| ACTL | ACTEL CORP | 11.69 | -0.13 | -1.10% | -0.26% | 13.31 | 6.75 | Q C O |
| ADPT | ADAPTEC INC | 3.16 | -0.03 | -0.94% | -4.24% | 3.71 | 2.20 | Q C O |
| AEIS | ADVANCED ENERGY INDUSTRIES INC | 11.47 | -0.30 | -2.55% | +15.28% | 14.58 | 5.36 | Q C O |
| AFAM | ALMOST FAMILY INC | 36.06 | -0.17 | -0.47% | -19.83% | 51.00 | 14.91 | Q C O |
| AGP | AMERIGROUP CORP | 22.65 | -0.02 | -0.09% | -23.27% | 32.40 | 17.42 | Q C O |
| AGYS | AGILYSYS INC | 8.45 | +0.32 | +3.94% | +98.98% | 8.87 | 1.87 | Q C O |
| AHS | AMN HEALTHCARE SVCS | 8.36 | +0.02 | +0.24% | -1.18% | 11.00 | 4.56 | Q C O |
| AIN | ALBANY INTL CP CL A | 19.47 | +0.08 | +0.41% | +57.67% | 21.69 | 4.68 | Q C O |
| AIR | A A R CP | 19.24 | -0.18 | -0.93% | +4.51% | 23.18 | 10.49 | Q C O |
| AIRM | AIR METHODS CORP | 33.85 | -0.27 | -0.79% | +111.69% | 36.38 | 13.15 | Q C O |
| AIT | APPLIED IDNS TECH | 21.69 | +0.04 | +0.18% | +18.11% | 23.45 | 13.71 | Q C O |
| AKR | ACADIA RLTY TR | 16.47 | +0.05 | +0.30% | +20.59% | 17.69 | 8.14 | Q C O |
| ALE | ALLETE INC | 32.69 | +0.04 | +0.12% | +7.19% | 34.73 | 22.38 | Q C O |
| ALGN | ALIGN TECHNOLOGY INC | 15.54 | -0.31 | -1.96% | +77.60% | 18.85 | 5.67 | Q C O |
| ALOG | ANALOGIC CORP | 39.07 | -0.44 | -1.11% | +44.43% | 41.26 | 24.19 | Q C O |
| AMED | AMEDISYS INC | 37.69 | +0.21 | +0.56% | -8.83% | 53.30 | 25.20 | Q C O |
| AMMD | AMERICAN MEDICAL SYSTEMS HOLDIN | 17.16 | -0.19 | -1.10% | +90.88% | 18.17 | 7.99 | Q C O |
| AMSF | AMERISAFE INC | 17.33 | -0.04 | -0.23% | -15.59% | 21.97 | 12.51 | Q C O |
| AMSG | AMSURG CORP | 21.04 | +0.19 | +0.91% | -9.85% | 24.03 | 12.23 | Q C O |
| ANDE | THE ANDERSONS INC | 28.07 | +1.48 | +5.57% | +72.30% | 37.56 | 10.47 | Q C O |
| AOI | ALLIANCE ONE INTL | 4.86 | +0.01 | +0.21% | +65.31% | 5.71 | 1.97 | Q C O |
| AOS | SMITH A O CORP | 41.64 | +0.15 | +0.36% | +44.25% | 45.22 | 20.62 | Q C O |
| APEI | AMERICAN PUBLIC EDUCATION INC | 32.14 | -0.24 | -0.74% | -13.58% | 46.53 | 31.10 | Q C O |
| APOG | APOGEE ENTERPRISES INC | 14.04 | +0.06 | +0.43% | +39.11% | 16.39 | 5.18 | Q C O |
| APSG | APPLIED SIGNAL TECHNOLOGY INC | 20.36 | +0.10 | +0.49% | +16.22% | 26.64 | 12.71 | Q C O |
| ARB | ARBITRON INC | 22.28 | +0.08 | +0.36% | +70.91% | 25.36 | 9.72 | Q C O |
| ARJ | ARCH CHEMICALS INC | 27.64 | -0.16 | -0.58% | +9.33% | 32.00 | 14.68 | Q C O |
| ARQL | ARQULE INC | 3.30 | +0.09 | +2.80% | -21.80% | 6.38 | 2.22 | Q C O |
| ARRS | ARRIS GROUP INC | 10.08 | -0.23 | -2.23% | +26.79% | 13.75 | 5.23 | Q C O |
| ASEI | AMERICAN SCIENCE AND ENGINEERIN | 69.86 | -0.30 | -0.43% | -4.41% | 82.24 | 48.84 | Q C O |
| ASF | ADMINISTAFF INC | 22.74 | -0.02 | -0.09% | +6.70% | 30.32 | 13.07 | Q C O |
| ASGN | ON ASSIGNMENT INC | 6.24 | -0.01 | -0.16% | +10.05% | 6.80 | 1.28 | Q C O |
| ASTE | ASTEC INDUSTRIES INC | 25.42 | -0.38 | -1.47% | -18.86% | 33.99 | 18.52 | Q C O |
| ATAC | ATC TECHNOLOGY CORP | 22.78 | +0.26 | +1.15% | +55.71% | 23.99 | 8.57 | Q C O |
| ATMI | ATMI INC | 15.60 | +0.23 | +1.50% | +1.10% | 19.77 | 8.70 | Q C O |
| ATO | ATMOS ENERGY CP | 28.08 | +0.15 | +0.54% | +23.26% | 29.53 | 19.57 | Q C O |
| ATU | ACTUANT CORP NEW | 16.40 | -0.19 | -1.15% | -13.56% | 20.13 | 7.00 | Q C O |
| ATW | ATWOOD OCEANICS INC | 36.99 | -1.15 | -3.02% | +142.08% | 40.58 | 12.60 | Q C O |
| AVA | AVISTA CORP | 20.22 | +0.22 | +1.10% | +8.19% | 21.11 | 12.37 | Q C O |
| AVAV | AEROVIRONMENT INC | 28.15 | +0.10 | +0.36% | -23.53% | 41.22 | 18.50 | Q C O |
| AVD | AMER VANGUARD CP | 7.08 | -0.03 | -0.42% | -39.21% | 15.78 | 6.97 | Q C O |
| AVID | AVID TECHNOLOGY INC | 11.78 | +0.09 | +0.77% | +7.97% | 15.48 | 8.40 | Q C O |
| AWR | AMER ST WATER | 31.94 | -0.19 | -0.59% | -0.31% | 37.94 | 26.77 | Q C O |
| AXE | ANIXTER INTL INC | 44.18 | -0.11 | -0.25% | +46.68% | 45.55 | 20.97 | Q C O |
| AYI | ACUITY BRANDS INC | 31.90 | +0.73 | +2.34% | -6.91% | 36.79 | 19.74 | Q C O |
| AZZ | AZZ INCORPORATED | 33.47 | +0.89 | +2.73% | +33.35% | 42.72 | 15.09 | Q C O |
| B | BARNES GP INC | 16.48 | -0.17 | -1.02% | +17.39% | 19.11 | 7.58 | Q C O |
| BABY | NATUS MEDICAL INCORPORATED | 13.51 | -0.13 | -0.95% | +4.32% | 17.51 | 6.46 | Q C O |
| BAS | BASIC ENERGY SRVC | 6.59 | -0.10 | -1.49% | -49.46% | 15.18 | 5.30 | Q C O |
| BBOX | BLACK BOX CORP | 28.69 | +2.39 | +9.09% | +10.53% | 37.52 | 16.14 | Q C O |
| BC | BRUNSWICK CP | 10.95 | -0.28 | -2.52% | +161.10% | 13.37 | 1.81 | Q C O |
| BCPC | BALCHEM CORP | 31.15 | +0.29 | +0.94% | +25.05% | 31.48 | 18.72 | Q C O |
| BCSI | BLUE COAT SYSTEMS INC | 25.02 | -0.18 | -0.71% | +197.86% | 27.65 | 6.96 | Q C O |
| BDC | BELDEN INC | 23.43 | -0.17 | -0.72% | +13.35% | 26.88 | 8.10 | Q C O |
| BELFB | BEL FUSE INC | 17.93 | +0.49 | +2.81% | -14.07% | 23.61 | 8.68 | Q C O |
| BEZ | BALDOR ELCT CO | 26.56 | -0.09 | -0.34% | +53.09% | 30.82 | 10.08 | Q C O |
| BGFV | BIG 5 SPORTING GOODS CORP | 16.54 | -0.37 | -2.19% | +223.27% | 18.15 | 2.89 | Q C O |
| BGG | BRIGGS STRATTON DC | 19.00 | +0.08 | +0.42% | +11.42% | 23.34 | 10.78 | Q C O |
| BHE | BENCHMARK ELECTRONIC | 18.61 | +0.29 | +1.58% | +45.73% | 18.96 | 8.60 | Q C O |
| BKE | BUCKLE INC | 28.07 | -0.22 | -0.78% | +38.91% | 36.73 | 12.57 | Q C O |
| BKI | BUCKEYE TECH INC | 9.44 | +0.02 | +0.21% | +159.34% | 12.49 | 1.65 | Q C O |
| BKMU | BANK MUTUAL CORP | 7.00 | +0.09 | +1.30% | -37.00% | 11.32 | 6.45 | Q C O |
| BLKB | BLACKBAUD INC | 21.60 | -0.09 | -0.41% | +63.44% | 24.89 | 8.93 | Q C O |
| BMI | BADGER METER INC | 36.54 | -0.58 | -1.56% | +27.20% | 44.76 | 19.97 | Q C O |
| BMR | BIOMED REALTY TRUST | 13.68 | -0.20 | -1.44% | +24.57% | 15.19 | 5.34 | Q C O |
| BNE | BOWNE AND CO | 6.11 | +0.08 | +1.33% | +4.75% | 8.78 | 0.85 | Q C O |
| BPFH | BOSTON PRIVATE FINANCIAL HOLDIN | 5.24 | +0.04 | +0.77% | -22.63% | 7.24 | 2.06 | Q C O |
| BRC | BRADY CP CL A | 30.58 | +0.16 | +0.53% | +31.44% | 32.89 | 14.08 | Q C O |
| BRKL | BROOKLINE BANCORP INC | 9.40 | -0.05 | -0.53% | -6.88% | 12.40 | 7.39 | Q C O |
| BRKS | BROOKS AUTOMATION INC | 7.48 | -0.05 | -0.66% | +28.74% | 9.11 | 2.52 | Q C O |
| BRLI | BIO-REFERENCE LABORATORIES INC | 31.94 | -0.12 | -0.37% | +21.77% | 36.25 | 18.35 | Q C O |
| BRS | BRISTOW GROUP INC | 34.91 | -0.71 | -1.99% | +30.31% | 37.05 | 16.42 | Q C O |
| BW | BRUSH ENGINEERED MAT | 17.56 | -0.36 | -2.01% | +38.05% | 27.06 | 6.98 | Q C O |
| BWLD | BUFFALO WILD WINGS INC | 40.90 | -0.34 | -0.82% | +59.45% | 44.80 | 14.50 | Q C O |
| BWS | BROWN SHOE CO INC | 11.04 | -0.19 | -1.69% | +36.33% | 12.33 | 1.95 | Q C O |
| CAB | CABELAS INC | 12.85 | -0.09 | -0.70% | +120.41% | 17.73 | 4.18 | Q C O |
| CACB | CASCADE BANCORP | 0.91 | +0.01 | +1.11% | -86.52% | 8.20 | 0.61 | Q C O |
| CACI | C A C I INTL CL A | 46.62 | -0.59 | -1.25% | +3.39% | 49.84 | 33.90 | Q C O |
| CALM | CAL-MAINE FOODS INC | 27.96 | +0.20 | +0.72% | +0.90% | 31.52 | 16.66 | Q C O |
| CAS | CASTLE A M AND CO | 13.12 | +0.15 | +1.16% | +21.93% | 13.97 | 5.26 | Q C O |
| CASC | CA INC | 24.46 | +0.80 | +3.38% | -17.65% | 32.33 | 12.74 | Q C O |
| CASY | CASEYS GENERAL STORES INC | 30.79 | +0.19 | +0.62% | +36.82% | 32.97 | 18.17 | Q C O |
| CBEY | CBEYOND INC | 12.53 | -0.03 | -0.24% | -21.59% | 20.80 | 10.07 | Q C O |
| CBK | CHRISTOPHER | 6.12 | -0.10 | -1.61% | +12.95% | 8.94 | 2.35 | Q C O |
| CBM | CAMBREX CP | 5.86 | +0.01 | +0.17% | +26.84% | 7.22 | 1.48 | Q C O |
| CBR | CIBER INC | 3.31 | +0.06 | +1.85% | -31.19% | 5.66 | 2.03 | Q C O |
| CBRL | CRACKER BARREL OLD COUNTRY STOR | 34.73 | unch | unch% | +73.75% | 36.90 | 10.36 | Q C O |
| CBST | CUBIST PHARMACEUTICALS INC | 16.95 | -0.10 | -0.59% | -29.84% | 28.74 | 13.81 | Q C O |
| CBU | COMMUNITY BK SYS INC | 18.63 | +0.27 | +1.47% | -20.43% | 23.58 | 12.71 | Q C O |
| CCC | CALGON CARBON CP | 14.19 | +0.14 | +1.00% | -7.62% | 19.31 | 10.00 | Q C O |
| CCMP | CABOT MICROELECTRONICS CORP | 31.08 | +0.29 | +0.94% | +19.22% | 36.38 | 18.47 | Q C O |
| CCRN | CROSS COUNTRY HEALTHCARE INC | 8.67 | +0.07 | +0.81% | -1.37% | 10.23 | 4.84 | Q C O |
| CDI | C D I CP | 12.14 | +0.04 | +0.33% | -1.46% | 16.54 | 6.19 | Q C O |