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All Enhanced Companies         1 to 50  
SYMBOL COMPANY INDUSTRY INVESTOR SITE
n/a  21st Century Insurance  FINANCIAL 
TSIOF.PK  361 DEGREES INTERNATIONAL LIMI   
n/a  361 Degrees International Limited - Simplified chinese   
n/a  3Com Corp  TECHNOLOGY 
PAR  3PAR Inc.   
AHC  A. H. Belo Corporation   
APPA  A.P. Pharma Inc.  BASIC MATERIALS 
ABT  Abbott   HEALTHCARE 
ANF  Abercrombie & Fitch Co.  SERVICES 
ABMD  Abiomed, Inc.  HEALTHCARE 
ABVT  ABOVENET INC   
ABII  Abraxis BioScience, Inc.   
ACAD  ACADIA PHARMACEUTICALS INC   
AKR  Acadia Realty Trust  SERVICES 
ACCL  Accelrys Inc.  HEALTHCARE 
ACN  Accenture   
ABD  ACCO Brands  TECHNOLOGY 
n/a  Accredited Home Lenders Holding Co.   
AH  ACCRETIVE HEALTH, INC.   
ARAY  Accuray Incorporated   
ACUZ  ACCURIDE CORP   
ACGY  Acergy S.A.  CAPITAL GOODS 
APKT  Acme Packet, Inc.   
ACU  Acme United  HEALTHCARE 
ACOR  Acorda Therapeutics   
ACTL  Actel  TECHNOLOGY 
ACTU  Actuate Corporation  TECHNOLOGY 
AYI  Acuity Brands, Inc.  TECHNOLOGY 
ADUS  ADDUS HOMECARE CORP   
ADLR  Adolor Corporation   HEALTHCARE 
ADPT.PK  ADPT Corporation  TECHNOLOGY 
ADBN.S  ADVANCED DIGITAL BRDCST HLDGS   
ADLS  Advanced Life Sciences Inc.   
n/a  Advanced Medical Optics, Inc.   
AMD  Advanced Micro Devices  TECHNOLOGY 
ASX  Advanced Semiconductor Engineering  UTILITIES 
n/a  Advanced Tissue Sciences  HEALTHCARE 
ASB  AdvanSource Biomaterials Corporation  HEALTHCARE 
ADVS  Advent Software  TECHNOLOGY 
ANX  ADVENTRX PHARMACEUTICALS INC   
ACM  AECOM   
ANW  AEGEAN MARINE PETROLEUM NETWORK INC   
**AEI  AEI Services LLC   
AER  AerCap Holdings N.V.   
ARX  Aeroflex Holding Corp   
ARO  Aeropostale, Inc.   
AES  AES Corporation  UTILITIES 
AET  Aetna Inc.  FINANCIAL 
**AFL  Affinion Group Holdings Inc.    
AFFM  Affirmative Insurance Holdings Inc.   
All Enhanced Companies         1 to 50