| Company Name |
Symbol |
| Alexander & Baldwin, Inc. |
ALEX |
| Alexion Pharmaceuticals, Inc. |
ALXN |
| Alexza Pharmaceuticals, Inc. |
ALXA |
| Alfacell Corporation |
ACEL |
| 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 |
| Allied Healthcare Products, Inc. |
AHPI |
| Allied Motion Technologies, Inc. |
AMOT |
| Allion Healthcare, Inc. |
ALLI |
| Allos Therapeutics, Inc. |
ALTH |
| Allot Communications Ltd. |
ALLT |
| Alloy, Inc. |
ALOY |
| Allscripts Healthcare Solutions Inc |
MDRX |
| Almost Family Inc |
AFAM |
| Alnylam Pharmaceuticals, Inc. |
ALNY |
| Alphatec Holdings, Inc. |
ATEC |
| Alseres Pharmaceuticals, Inc. |
ALSE |
| Alsius Corporation |
ALUS |
| Altair Nanotechnologies Inc. |
ALTI |
| Altera Corporation |
ALTR |
| AltiGen Communications, Inc. |
ATGN |
| Alto Palermo S.A. |
APSA |
| Altra Holdings, Inc. |
AIMC |
| Altus Pharmaceuticals Inc. |
ALTU |
| Alvarion Ltd. |
ALVR |
| AMAG Pharmaceuticals, Inc. |
AMAG |
| Amarin Corporation PLC |
AMRN |
| Amazon.com, Inc. |
AMZN |
| Ambassadors Group, Inc. |
EPAX |
| Ambassadors International, Inc. |
AMIE |
| AmCOMP Incorporated |
AMCP |
| Amcore Financial, Inc. |
AMFI |
| Amedisys Inc |
AMED |
| AMEN Properties Inc. |
AMEN |
| Amerco |
UHAL |
| Ameriana Bancorp |
ASBI |
| America First Tax Exempt Investors, L.P. |
ATAX |
| America Movil, S.A.B. de C.V. |
AMOV |
| America Service Group Inc. |
ASGR |
| America's Car-Mart, Inc. |
CRMT |
| American Bancorp of New Jersey, Inc. |
ABNJ |
| American Bio Medica Corp. |
ABMC |
| American Capital Agency Corp. |
AGNC |
| American Capital, Ltd. |
ACAS |
| American Claims Evaluation, Inc. |
AMCE |
| American Commercial Lines Inc |
ACLI |
| American Community Bancshares |
ACBA |
| American Dental Partners, Inc. |
ADPI |
| American Ecology Corporation |
ECOL |
| American Electric Technologies, Inc. |
AETI |
| American Independence Corp. |
AMIC |
| American International Industries Inc |
AMIN |
| American Medical Alert Corp. |
AMAC |
| American Medical Systems Holdings, Inc. |
AMMD |
| American National Bankshares, Inc. |
AMNB |
| American National Insurance Company |
ANAT |
| American Pacific Corporation |
APFC |
| American Physicians Capital, Inc. |
ACAP |
| American Physicians Service Group, Inc. |
AMPH |
| American Public Education, Inc. |
APEI |
| American Railcar Industries, Inc. |
ARII |
| American River Bankshares |
AMRB |
| American Science and Engineering, Inc. |
ASEI |
| American Software, Inc. |
AMSWA |
| American Superconductor Corporation |
AMSC |
| American Technology Corporation |
ATCO |
| American Woodmark Corporation |
AMWD |
| AmericanWest Bancorporation |
AWBC |
| Amerigon Incorporated |
ARGN |
| Ameris Bancorp |
ABCB |
| AMERISAFE, Inc. |
AMSF |
| AmeriServ Financial Inc. |
ASRV |
| Ameristar Casinos, Inc. |
ASCA |
| Ameritrans Capital Corporation |
AMTC |
| Amerityre Corporation |
AMTY |
| Ames National Corporation |
ATLO |
| Amgen Inc. |
AMGN |
| AMICAS, Inc. |
AMCS |
| Amicus Therapeutics, Inc. |
FOLD |
| Amkor Technology, Inc. |
AMKR |
| Ampal-American Israel Corporation |
AMPL |
| Amsurg Corp. |
AMSG |
| Amtech Systems, Inc. |
ASYS |
| AmTrust Financial Services, Inc. |
AFSI |
| Amylin Pharmaceuticals, Inc. |
AMLN |
| ANADIGICS, Inc. |
ANAD |
| Anadys Pharmaceuticals, Inc. |
ANDS |
| Analogic Corporation |
ALOG |
| Analysts International Corporation |
ANLY |
| Anaren, Inc. |
ANEN |
| Anchor BanCorp Wisconsin Inc. |
ABCW |
