| Symbol | Name | Last Trade | Change | Volume |
|---|
| AAON | AAON Inc. | 32.16 04:00 SGT | 0.27 (0.85%) | 60,119 | | ABCD | Cambium Learning Group, Inc. | 1.15 03:54 SGT | 0.03 (2.54%) | 2,247 | | ABCO | The Advisory Board Company | 50.35 04:00 SGT | 0.39 (0.78%) | 282,175 | | ABTL | Autobytel Inc. | 4.21 04:00 SGT | 0.00 (0.00%) | 28,978 | | ACAT | Arctic Cat Inc. | 46.89 04:00 SGT | 0.03 (0.06%) | 135,290 | | ACET | Aceto Corp. | 11.86 04:00 SGT | 0.30 (2.60%) | 243,403 | | ACPW | Active Power Inc. | 4.44 04:00 SGT | 0.22 (5.21%) | 81,526 | | ACTG | Acacia Research Corporation | 24.56 04:00 SGT | 0.94 (3.98%) | 676,224 | | ACXM | Acxiom Corporation | 21.68 04:00 SGT | 0.04 (0.18%) | 419,175 | | ADEP | Adept Technology Inc. | 3.49 03:01 SGT | 0.07 (1.88%) | 13,808 | | ADES | ADA-ES, Inc. | 33.74 04:00 SGT | 1.04 (2.99%) | 199,844 | | ADP | Automatic Data Processing, Inc. | 71.05 04:00 SGT | 0.94 (1.31%) | 2,143,279 | | AEGN | Aegion Corporation | 23.49 04:00 SGT | 0.19 (0.82%) | 205,627 | | AEPI | AEP Industries Inc. | 84.86 03:59 SGT | 0.06 (0.07%) | 8,970 | | AERL | Asia Entertainment & Resources Ltd. | 4.14 04:00 SGT | 0.10 (2.48%) | 548,487 | | AETI | American Electric Technologies, Inc | 6.20 03:59 SGT | 0.03 (0.49%) | 16,805 | | AFCE | AFC Enterprises Inc. | 33.73 04:00 SGT | 0.09 (0.27%) | 156,332 | | AHGP | Alliance Holdings GP, L.P. | 62.11 04:00 SGT | 0.99 (1.62%) | 56,573 | | AIMC | Altra Holdings, Inc. | 29.25 04:00 SGT | 0.37 (1.28%) | 135,542 | | ALCO | Alico Inc. | 45.45 04:00 SGT | 0.04 (0.09%) | 7,013 | | ALCS | ALCO Stores, Inc. | 9.28 04:00 SGT | 0.01 (0.11%) | 5,606 | | ALTI | Altair Nanotechnologies, Inc. | 2.43 03:56 SGT | 0.18 (8.00%) | 15,049 | | AMBA | Ambarella, Inc. | 16.79 04:00 SGT | 1.55 (10.17%) | 3,108,101 | | AMCF | Andatee China Marine Fuel Services Corporation | 0.60 03:59 SGT | 0.00 (0.00%) | 1,344 | | AMCN | AirMedia Group Inc. | 1.81 04:00 SGT | 0.07 (3.72%) | 99,903 | | AMCX | AMC Networks Inc. | 66.28 04:00 SGT | 0.16 (0.24%) | 855,198 | | AMOT | Allied Motion Technologies Inc. | 6.73 04:00 SGT | 0.17 (2.46%) | 7,290 | | AMRS | Amyris, Inc. | 3.04 04:00 SGT | 0.08 (2.70%) | 189,660 | | AMSC | American Superconductor Corporation | 2.73 04:00 SGT | 0.21 (8.33%) | 1,300,885 | | AMWD | American Woodmark Corp. | 34.63 04:00 SGT | 0.52 (1.48%) | 63,912 | | AMZN | Amazon.com Inc. | 267.63 04:00 SGT | 2.27 (0.84%) | 2,200,997 | | ANDE | The Andersons, Inc. | 54.27 04:00 SGT | 0.57 (1.04%) | 218,482 | | ANEN | Anaren, Inc. | 23.64 04:00 SGT | 0.02 (0.08%) | 18,113 | | ANGI | Angie's List, Inc. | 24.49 04:00 SGT | 0.07 (0.29%) | 561,234 | | APAGF | Apco Oil & Gas International Inc. | 12.43 04:00 SGT | 0.56 (4.72%) | 18,432 | | APEI | American Public Education, Inc. | 38.99 04:00 SGT | 0.48 (1.25%) | 206,295 | | APFC | American Pacific Corporation | 27.60 04:00 SGT | 0.11 (0.40%) | 59,717 | | APOG | Apogee Enterprises, Inc. | 27.67 04:00 SGT | 0.18 (0.65%) | 203,651 | | APOL | Apollo Group Inc. | 21.40 04:00 SGT | 0.05 (0.23%) | 2,111,524 | | APWC | Asia Pacific Wire & Cable Corp. Ltd. | 4.00 18 May 03:59 SGT | 0.00 (0.00%) | 0 | | ARCI | Appliance Recycling Centers of America Inc. | 2.17 03:58 SGT | 0.17 (8.73%) | 205,055 | | ARDNA | Arden Group Inc. | 100.75 00:52 SGT | 0.05 (0.05%) | 300 | | AREX | Approach Resources, Inc. | 27.06 04:00 SGT | 0.56 (2.11%) | 647,079 | | ARII | American Railcar Industries, Inc. | 34.34 04:00 SGT | 0.30 (0.87%) | 293,826 | | ARKR | Ark Restaurants Corp. | 21.52 04:00 SGT | 0.17 (0.80%) | 4,873 | | ARLP | Alliance Resource Partners LP | 75.85 04:00 SGT | 1.32 (1.77%) | 54,218 | | ARTNA | Artesian Resources Corp. | 22.56 04:00 SGT | 0.09 (0.40%) | 13,551 | | ARTW | Art's-Way Manufacturing Co. Inc. | 8.35 03:50 SGT | 0.21 (2.58%) | 11,594 | | ARTX | Arotech Corporation | 1.25 03:58 SGT | 0.10 (8.70%) | 157,534 | | ASCA | Ameristar Casinos Inc. | 26.44 04:00 SGT | 0.00 (0.00%) | 125,874 |
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