| Company Name |
Symbol |
| 1-800 FLOWERS.COM, Inc. |
FLWS |
| 51job, Inc. |
JOBS |
| A-Power Energy Generation Systems, Ltd. |
APWR |
| A. Schulman, Inc. |
SHLM |
| A.C. Moore Arts & Crafts, Inc. |
ACMR |
| A.D.A.M. Inc. |
ADAM |
| AAON, Inc. |
AAON |
| Aastrom Biosciences, Inc. |
ASTM |
| ABIOMED, Inc. |
ABMD |
| Abraxas Petroleum Corporation |
AXAS |
| Acacia Research Corporation |
ACTG |
| ACADIA Pharmaceuticals Inc. |
ACAD |
| Acergy S.A. |
ACGY |
| Aceto Corporation |
ACET |
| Action Products International, Inc. |
APII |
| Active Power, Inc. |
ACPW |
| ActivIdentity Corporation |
ACTI |
| Activision Blizzard, Inc |
ATVI |
| Acxiom Corporation |
ACXM |
| ADA-ES, Inc. |
ADES |
| Adams Golf, Inc. |
ADGF |
| Adept Technology, Inc. |
ADEP |
| Advanced Battery Technologies, Inc. |
ABAT |
| Advanced Environmental Recycling Technologies, Inc. |
AERT |
| AEP Industries Inc. |
AEPI |
| AeroGrow International, Inc. |
AERO |
| AeroVironment, Inc. |
AVAV |
| AFC Enterprises, Inc. |
AFCE |
| AgFeed Industries, Inc. |
FEED |
| AirMedia Group Inc |
AMCN |
| Akeena Solar, Inc. |
AKNS |
| Aldila, Inc. |
ALDA |
| Alico, Inc. |
ALCO |
| Alliance Holdings GP, L.P. |
AHGP |
| Alliance Resource Partners, L.P. |
ARLP |
| Allied Healthcare Products, Inc. |
AHPI |
| Allied Motion Technologies, Inc. |
AMOT |
| Allion Healthcare, Inc. |
ALLI |
| Allos Therapeutics, Inc. |
ALTH |
| Alloy, Inc. |
ALOY |
| Alnylam Pharmaceuticals, Inc. |
ALNY |
| Altair Nanotechnologies Inc. |
ALTI |
| Altra Holdings, Inc. |
AIMC |
| Amazon.com, Inc. |
AMZN |
| Ambassadors Group, Inc. |
EPAX |
| Ambassadors International, Inc. |
AMIE |
| Amerco |
UHAL |
| America's Car-Mart, Inc. |
CRMT |
| American Bio Medica Corp. |
ABMC |
| American Caresource Holdings Inc |
ANCI |
| American Claims Evaluation, Inc. |
AMCE |
| American Dental Partners, Inc. |
ADPI |
| American Ecology Corporation |
ECOL |
| American Electric Technologies, Inc. |
AETI |
| American International Industries Inc |
AMIN |
| American Italian Pasta Company |
AIPC |
| American Medical Alert Corp. |
AMAC |
| American Pacific Corporation |
APFC |
| American Public Education, Inc. |
APEI |
| American Railcar Industries, Inc. |
ARII |
| American Science and Engineering, Inc. |
ASEI |
| American Superconductor Corporation |
AMSC |
| American Woodmark Corporation |
AMWD |
| Amerigon Incorporated |
ARGN |
| Ameristar Casinos, Inc. |
ASCA |
| Amerityre Corporation |
AMTY |
| Anadys Pharmaceuticals, Inc. |
ANDS |
| Anaren, Inc. |
ANEN |
| Angeion Corporation |
ANGN |
| Anglo American plc |
AAUK |
| Animal Health International, Inc. |
AHII |
| APAC Customer Services, Inc. |
APAC |
| APCO Argentina Inc. |
APAGF |
| Apogee Enterprises, Inc. |
APOG |
| Apollo Group, Inc. |
APOL |
| Appliance Recycling Centers of America, Inc. |
ARCI |
| Applied Energetics, Inc |
AERG |
| Applied Signal Technology, Inc. |
APSG |
| Approach Resources Inc. |
AREX |
| Arabian American Development Company |
ARSD |
| Arctic Cat Inc. |
ACAT |
| Arden Group, Inc. |
ARDNA |
| ARGON ST, Inc. |
STST |
| Ark Restaurants Corp. |
ARKR |
| Arotech Corporation |
ARTX |
| Art's-Way Manufacturing Co., Inc. |
ARTW |
| Artesian Resources Corporation |
ARTNA |
| Ascent Media Corporation |
ASCMA |
| Ascent Solar Technologies, Inc. |
ASTI |
| Astec Industries, Inc. |
ASTE |
| Astronics Corporation |
ATRO |
| Astrotech Corporation |
SPAB |
| ATA Inc. |
ATAI |
| Atlas America, Inc. |
ATLS |
| ATMI Inc. |
ATMI |
| ATP Oil & Gas Corporation |
ATPG |
| ATS Medical, Inc. |
ATSI |
| Autobytel Inc. |
ABTL |
| Automatic Data Processing, Inc. |
ADP |
| Avid Technology, Inc. |
AVID |
