| Company Name |
Symbol |
| 012 Smile.Communications Ltd. |
SMLC |
| 1-800 FLOWERS.COM, Inc. |
FLWS |
| 1st Century Bancshares, Inc |
FCTY |
| 1st Constitution Bancorp (NJ) |
FCCY |
| 1st Pacific Bancorp (CA) |
FPBN |
| 1st Source Corporation |
SRCE |
| 1st United Bancorp, Inc. (FL) |
FUBC |
| 21st Century Holding Company |
TCHC |
| 3Com Corporation |
COMS |
| 3D Systems Corporation |
TDSC |
| 3SBio Inc. |
SSRX |
| 51job, Inc. |
JOBS |
| 8x8 Inc |
EGHT |
| A-Power Energy Generation Systems, Ltd. |
APWR |
| A. Schulman, Inc. |
SHLM |
| A.C. Moore Arts & Crafts, Inc. |
ACMR |
| A.D.A.M. Inc. |
ADAM |
| A.P. Pharma, Inc. |
APPA |
| A123 Systems, Inc. |
AONE |
| AAON, Inc. |
AAON |
| Aastrom Biosciences, Inc. |
ASTM |
| ABAXIS, Inc. |
ABAX |
| Abington Bancorp, Inc. |
ABBC |
| ABIOMED, Inc. |
ABMD |
| Abraxas Petroleum Corporation |
AXAS |
| Abraxis Bioscience Inc. |
ABII |
| Acacia Research Corporation |
ACTG |
| ACADIA Pharmaceuticals Inc. |
ACAD |
| Accelrys, Inc. |
ACCL |
| Access National Corporation |
ANCX |
| Accuray Incorporated |
ARAY |
| Acergy S.A. |
ACGY |
| Aceto Corporation |
ACET |
| Achillion Pharmaceuticals, Inc. |
ACHN |
| ACI Worldwide, Inc. |
ACIW |
| Acme Packet, Inc. |
APKT |
| Acorda Therapeutics, Inc. |
ACOR |
| Acorn Energy, Inc. |
ACFN |
| Actel Corporation |
ACTL |
| Actions Semiconductor Co., Ltd. |
ACTS |
| Active Power, Inc. |
ACPW |
| ActivIdentity Corporation |
ACTI |
| Activision Blizzard, Inc |
ATVI |
| Actuate Corporation |
ACTU |
| Acura Pharmaceuticals, Inc. |
ACUR |
| Acxiom Corporation |
ACXM |
| ADA-ES, Inc. |
ADES |
| Adams Golf, Inc. |
ADGF |
| Adaptec, Inc. |
ADPT |
| ADC Telecommunications, Inc. |
ADCT |
| Addus HomeCare Corporation |
ADUS |
| ADDvantage Technologies Group, Inc. |
AEY |
| Adept Technology, Inc. |
ADEP |
| Adobe Systems Incorporated |
ADBE |
| Adolor Corporation |
ADLR |
| ADTRAN, Inc. |
ADTN |
| Advanced Analogic Technologies, Inc. |
AATI |
| Advanced Battery Technologies, Inc. |
ABAT |
| Advanced Energy Industries, Inc. |
AEIS |
| Advanced Environmental Recycling Technologies, Inc. |
AERT |
| Advent Software, Inc. |
ADVS |
| Advocat, Inc. |
AVCA |
| Aehr Test Systems |
AEHR |
| AEP Industries Inc. |
AEPI |
| AeroVironment, Inc. |
AVAV |
| AEterna Zentaris, Inc. |
AEZS |
| Aetrium Incorporated |
ATRM |
| AFC Enterprises, Inc. |
AFCE |
| Affirmative Insurance Holdings, Inc. |
AFFM |
| Affymax, Inc. |
AFFY |
| Affymetrix, Inc. |
AFFX |
| AGA Medical Holdings, Inc. |
AGAM |
| AgFeed Industries, Inc. |
FEED |
| Agilysys, Inc. |
AGYS |
| Air Methods Corporation |
AIRM |
| Air T, Inc. |
AIRT |
| Air Transport Services Group, Inc |
ATSG |
| AirMedia Group Inc |
AMCN |
| Airvana, Inc. |
AIRV |
| Aixtron Aktiengesellschaft |
AIXG |
| Akamai Technologies, Inc. |
AKAM |
| Akeena Solar, Inc. |
AKNS |
| Akorn, Inc. |
AKRX |
| Alanco Technologies Inc. |
ALAN |
| Alaska Communications Systems Group, Inc. |
ALSK |
| Albany Molecular Research, Inc. |
AMRI |
| Aldila, Inc. |
ALDA |
| Alexion Pharmaceuticals, Inc. |
ALXN |
| Alexza Pharmaceuticals, Inc. |
ALXA |
| Alico, Inc. |
ALCO |
| Align Technology, Inc. |
ALGN |
| Alkermes, Inc. |
ALKS |
| Allegiant Travel Company |
ALGT |
| Alliance Bancorp, Inc. of Pennsylvania |
ALLB |
| Alliance Bankshares Corporation |
ABVA |
| Alliance Fiber Optic Products, Inc. |
AFOP |
| Alliance Financial Corporation |
ALNC |
| Alliance Holdings GP, L.P. |
AHGP |
| Alliance Resource Partners, L.P. |
ARLP |
| Allied HealthCare International Inc. |
AHCI |
