| Symbol |
Company |
| SMLC |
012 Smile.Communications Ltd. |
| FLWS |
1-800 FLOWERS.COM, Inc. |
| FCCY |
1st Constitution Bancorp (NJ) |
| FPBN |
1st Pacific Bancorp (CA) |
| SRCE |
1st Source Corporation |
| TCHC |
21st Century Holding Company |
| COMS |
3Com Corporation |
| TDSC |
3D Systems Corporation |
| SSRX |
3SBio Inc. |
| JOBS |
51job, Inc. |
| EGHT |
8x8 Inc |
| APWR |
A-Power Energy Generation Systems, Ltd. |
| SHLM |
A. Schulman, Inc. |
| ACMR |
A.C. Moore Arts & Crafts, Inc. |
| ADAM |
A.D.A.M. Inc. |
| APPA |
A.P. Pharma, Inc. |
| AAON |
AAON, Inc. |
| ASTM |
Aastrom Biosciences, Inc. |
| ABAX |
ABAXIS, Inc. |
| AANB |
Abigail Adams National Bancorp, Inc. |
| ABBC |
Abington Bancorp, Inc. |
| ABMD |
ABIOMED, Inc. |
| AXAS |
Abraxas Petroleum Corporation |
| ABII |
Abraxis Bioscience Inc. |
| ACTG |
Acacia Research Corporation |
| ACAD |
ACADIA Pharmaceuticals Inc. |
| ACCL |
Accelrys, Inc. |
| AIXD |
Access Integrated Technologies, Inc. |
| ANCX |
Access National Corporation |
| AUSA |
Access Plans USA, Inc. |
| ARAY |
Accuray Incorporated |
| ACGY |
Acergy S.A. |
| ACET |
Aceto Corporation |
| ACHN |
Achillion Pharmaceuticals, Inc. |
| ACIW |
ACI Worldwide, Inc. |
| APKT |
Acme Packet, Inc. |
| ACOR |
Acorda Therapeutics, Inc. |
| ACFN |
Acorn Energy, Inc. |
| ACTL |
Actel Corporation |
| APII |
Action Products International, Inc. |
| ACTS |
Actions Semiconductor Co., Ltd. |
| ACPW |
Active Power, Inc. |
| ACTI |
ActivIdentity Corporation |
| ATVI |
Activision Blizzard, Inc |
| ACTU |
Actuate Corporation |
| ACUR |
Acura Pharmaceuticals, Inc. |
| ACUS |
Acusphere, Inc. |
| ACXM |
Acxiom Corporation |
| ADES |
ADA-ES, Inc. |
| ADGF |
Adams Golf, Inc. |
| ADPT |
Adaptec, Inc. |
| ADCT |
ADC Telecommunications, Inc. |
| AEY |
ADDvantage Technologies Group, Inc. |
| ADEP |
Adept Technology, Inc. |
| ADBE |
Adobe Systems Incorporated |
| ADLR |
Adolor Corporation |
| ADTN |
ADTRAN, Inc. |
| AATI |
Advanced Analogic Technologies, Inc. |
| ABAT |
Advanced Battery Technologies, Inc. |
| AEIS |
Advanced Energy Industries, Inc. |
| AERT |
Advanced Environmental Recycling Technologies |
| ADLS |
Advanced Life Sciences Holdings, Inc. |
| ADVNA |
ADVANTA Corp. |
| ADVNB |
ADVANTA Corp. |
| ADVS |
Advent Software, Inc. |
| ABCO |
Advisory Board Company (The) |
| AVCA |
Advocat, Inc. |
| AEHR |
Aehr Test Systems |
| AEPI |
AEP Industries Inc. |
| AERO |
AeroGrow International, Inc. |
| AVAV |
AeroVironment, Inc. |
| AEZS |
AEterna Zentaris, Inc. |
| ATRM |
Aetrium Incorporated |
| AFCE |
AFC Enterprises, Inc. |
| AFFM |
Affirmative Insurance Holdings, Inc. |
| AFFY |
Affymax, Inc. |
| AFFX |
Affymetrix, Inc. |
| FEED |
AgFeed Industries, Inc. |
| AGYS |
Agilysys, Inc. |
| AIRM |
Air Methods Corporation |
| AIRT |
Air T, Inc. |
| ATSG |
Air Transport Services Group, Inc |
| AMCN |
AirMedia Group Inc |
| AIRN |
Airspan Networks Inc. |
| AIRV |
Airvana, Inc. |
| AIXG |
Aixtron Aktiengesellschaft |
| AKAM |
Akamai Technologies, Inc. |
| AKNS |
Akeena Solar, Inc. |
| AKRX |
Akorn, Inc. |
| TRMD |
Aktieselskabet Dampskibsselskabet Torm |
| AAII |
Alabama Aircraft Industries, Inc. |
| ALDN |
Aladdin Knowledge Systems Limited |
| ALAN |
Alanco Technologies Inc. |
| ALSK |
Alaska Communications Systems Group, Inc. |
| AMRI |
Albany Molecular Research, Inc. |
| ALDA |
Aldila, Inc. |
| ALXN |
Alexion Pharmaceuticals, Inc. |
| ALXA |
Alexza Pharmaceuticals, Inc. |
| ACEL |
Alfacell Corporation |
| ALCO |
Alico, Inc. |
| ALGN |
Align Technology, Inc. |
| ALKS |
Alkermes, Inc. |
| ALGT |
Allegiant Travel Company |
| ALLB |
Alliance Bancorp, Inc. of Pennsylvania |
| ABVA |
Alliance Bankshares Corporation |
| AFOP |
Alliance Fiber Optic Products, Inc. |
| ALNC |
Alliance Financial Corporation |
| AHGP |
Alliance Holdings GP, L.P. |
| ARLP |
Alliance Resource Partners, L.P. |
| AHCI |
Allied HealthCare International Inc. |
| AHPI |
Allied Healthcare Products, Inc. |
| AMOT |
Allied Motion Technologies, Inc. |
| ALLI |
Allion Healthcare, Inc. |
| ALTH |
Allos Therapeutics, Inc. |
| ALLT |
Allot Communications Ltd. |
| ALOY |
Alloy, Inc. |
| MDRX |
Allscripts-Misys Healthcare Solutions, Inc. |
| AFAM |
Almost Family Inc |
| ALNY |
Alnylam Pharmaceuticals, Inc. |
| ATEC |
Alphatec Holdings, Inc. |
| ALSE |
Alseres Pharmaceuticals, Inc. |
| ALUS |
Alsius Corporation |
| ALTI |
Altair Nanotechnologies Inc. |
| ALTR |
Altera Corporation |
| ATGN |
AltiGen Communications, Inc. |
| APSA |
Alto Palermo S.A. |
| AIMC |
Altra Holdings, Inc. |
| ALTU |
Altus Pharmaceuticals Inc. |
| ALVR |
Alvarion Ltd. |
| AMAG |
AMAG Pharmaceuticals, Inc. |
| AMRN |
Amarin Corporation PLC |
| AMZN |
Amazon.com, Inc. |
| EPAX |
Ambassadors Group, Inc. |
| AMIE |
Ambassadors International, Inc. |
| AMFI |
Amcore Financial, Inc. |
| AMED |
Amedisys Inc |
| AMEN |
AMEN Properties Inc. |
| UHAL |
Amerco |
| ASBI |
Ameriana Bancorp |
| ATAX |
America First Tax Exempt Investors, L.P. |
| AMOV |
America Movil, S.A.B. de C.V. |
| ASGR |
America Service Group Inc. |
| CRMT |
America's Car-Mart, Inc. |
| ABNJ |
American Bancorp of New Jersey, Inc. |
| ABMC |
American Bio Medica Corp. |
| AGNC |
American Capital Agency Corp. |
| ACAS |
American Capital, Ltd. |
| ANCI |
American Caresource Holdings Inc |
| AMCE |
American Claims Evaluation, Inc. |
| ACLI |
American Commercial Lines Inc |
| ACBA |
American Community Bancshares |
| ADPI |
American Dental Partners, Inc. |
| ECOL |
American Ecology Corporation |
| AETI |
American Electric Technologies, Inc. |
| AMIC |
American Independence Corp. |
| AMIN |
American International Industries Inc |
| AMAC |
American Medical Alert Corp. |
| AMMD |
American Medical Systems Holdings, Inc. |
| AMNB |
American National Bankshares, Inc. |
| ANAT |
American National Insurance Company |
| APFC |
American Pacific Corporation |
| ACAP |
American Physicians Capital, Inc. |
| AMPH |
American Physicians Service Group, Inc. |
| APEI |
American Public Education, Inc. |
| ARII |
American Railcar Industries, Inc. |
| AMRB |
American River Bankshares |
| ASEI |
American Science and Engineering, Inc. |
| AMSWA |
American Software, Inc. |
| AMSC |
American Superconductor Corporation |
| ATCO |
American Technology Corporation |
| AMWD |
American Woodmark Corporation |
| AWBC |
AmericanWest Bancorporation |
| ARGN |
Amerigon Incorporated |
| ABCB |
Ameris Bancorp |
| AMSF |
AMERISAFE, Inc. |
| ASRV |
AmeriServ Financial Inc. |
| ASCA |
Ameristar Casinos, Inc. |
| AMTC |
Ameritrans Capital Corporation |
| AMTY |
Amerityre Corporation |
| ATLO |
Ames National Corporation |
| AMGN |
Amgen Inc. |
| AMCS |
AMICAS, Inc. |
| FOLD |
Amicus Therapeutics, Inc. |
| AMKR |
Amkor Technology, Inc. |
| AMPL |
Ampal-American Israel Corporation |
| AMSG |
Amsurg Corp. |
| ASYS |
Amtech Systems, Inc. |
| AFSI |
AmTrust Financial Services, Inc. |
| AMLN |
Amylin Pharmaceuticals, Inc. |
| ANAD |
ANADIGICS, Inc. |
| ANDS |
Anadys Pharmaceuticals, Inc. |
| ALOG |
Analogic Corporation |
| ANLY |
Analysts International Corporation |
| ANEN |
Anaren, Inc. |
| ABCW |
Anchor BanCorp Wisconsin Inc. |
| ANDE |
Andersons, Inc. (The) |
| ANSV |
Anesiva, Inc. |
| ANGN |
Angeion Corporation |
| ANGO |
AngioDynamics, Inc. |
| ANPI |
Angiotech Pharmaceuticals, Inc. |
| AAUK |
Anglo American plc |
| ANIK |
Anika Therapeutics Inc. |
| AHII |
Animal Health International, Inc. |
| ANNB |
Annapolis Bancorp Inc. |
| ANSW |
Answers Corporation |
| ANSS |
ANSYS, Inc. |
| AGEN |
Antigenics Inc. |
| APAC |
APAC Customer Services, Inc. |
| APAGF |
APCO Argentina Inc. |
| APOG |
Apogee Enterprises, Inc. |
| APOL |
Apollo Group, Inc. |
| APAB |
Appalachian Bancshares, Inc. (GA) |
| AAPL |
Apple Inc. |
| ARCI |
Appliance Recycling Centers of America, Inc. |
| AERG |
Applied Energetics, Inc |
| AMAT |
Applied Materials, Inc. |
| AMCC |
Applied Micro Circuits Corporation |
| APSG |
Applied Signal Technology, Inc. |
| AREX |
Approach Resources Inc. |
| ARSD |
Arabian American Development Company |
| ARBX |
Arbinet-thexchange, Inc. |
| ARST |
Arc Sight, Inc. |
| ARCW |
Arc Wireless Solutions, Inc. |
| ACGL |
Arch Capital Group Ltd. |
| ACAT |
Arctic Cat Inc. |
| RDEA |
Ardea Biosciences, Inc. |
| ARDNA |
Arden Group, Inc. |
| ARNA |
Arena Pharmaceuticals, Inc. |
| AGII |
Argo Group International Holdings Ltd. |
| STST |
ARGON ST, Inc. |
| ARIA |
ARIAD Pharmaceuticals, Inc. |
| ARBA |
Ariba, Inc. |
| RAMS |
Aries Maritime Transport Limited |
| ARKR |
Ark Restaurants Corp. |
| ABFS |
Arkansas Best Corporation |
| ARMH |
ARM Holdings, plc |
| ARTX |
Arotech Corporation |
| ARQL |
ArQule, Inc. |
| ARRY |
Array BioPharma Inc. |
| ARRS |
Arris Group Inc |
| AROW |
Arrow Financial Corporation |
| ARWR |
Arrowhead Research Corporation |
| ARTG |
Art Technology Group, Inc. |
| ARTW |
Art's-Way Manufacturing Co., Inc. |
| ARTE |
Artes Medical, Inc. |
| ARTNA |
Artesian Resources Corporation |
| ARTC |
ArthroCare Corporation |
| ARUN |
Aruba Networks, Inc. |
| ARYX |
ARYx Therapeutics, Inc. |
| ASCMA |
Ascent Media Corporation |
| ASTI |
Ascent Solar Technologies, Inc. |