| AAN |
Aaron's Inc. |
| AAON |
AAON Inc. |
| AAP |
Advance Auto Parts Inc. |
| AAPL |
Apple Inc. |
| ABAX |
Abaxis Inc. |
| ABT |
Abbott Laboratories |
| ABVT |
AboveNet Inc. |
| ACM |
AECOM Technology Corp. |
| ADS |
Alliance Data Systems Corp. |
| ADVS |
Advent Software Inc. |
| AFSI |
AmTrust Financial Services Inc. |
| AGL |
AGL Resources Inc. |
| AIPC |
American Italian Pasta Co. |
| AIRM |
Air Methods Corp. |
| ALGN |
Align Technology Inc. |
| ALGT |
Allegiant Travel Co. |
| ALTR |
Altera Corp. |
| ALXN |
Alexion Pharmaceuticals Inc. |
| AMED |
Amedisys Inc. |
| AMGN |
Amgen Inc. |
| AMSF |
AMERISAFE Inc. |
| AMZN |
Amazon.com Inc. |
| APEI |
American Public Education Inc. |
| APKT |
Acme Packet Inc. |
| APOG |
Apogee Enterprises Inc. |
| APOL |
Apollo Group Inc. |
| APSG |
Applied Signal Technology Inc. |
| APU |
AmeriGas Partners L.P. |
| ARLP |
Alliance Resource Partners L.P. |
| ARO |
Aeropostale Inc. |
| ARST |
ArcSight Inc. |
| ASEI |
American Science & Engineering Inc. |
| ATHN |
athenahealth Inc. |
| ATNI |
Atlantic Tele-Network Inc. |
| ATPG |
ATP Oil & Gas Corp. |
| ATW |
Atwood Oceanics Inc. |
| AVP |
Avon Products Inc. |
| AZZ |
AZZ Inc. |
| BARE |
Bare Escentuals Inc. |
| BAX |
Baxter International Inc. |
| BBBY |
Bed Bath & Beyond Inc. |
| BBG |
Bill Barrett Corp. |
| BBY |
Best Buy Co. Inc. |
| BCO |
Brink's Co. |
| BCR |
C.R. Bard Inc. |
| BDX |
Becton Dickinson & Co. |
| BIG |
Big Lots Inc. |
| BKC |
Burger King Holdings Inc. |
| BKE |
Buckle Inc. |
| BKR |
Michael Baker Corp. |
| BLL |
Ball Corp. |
| BLUD |
Immucor Inc. |
| BMC |
BMC Software Inc. |
| BMY |
Bristol-Myers Squibb Co. |
| BOH |
Bank of Hawaii Corp. |
| BOKF |
BOK Financial Corp. |
| BPI |
Bridgepoint Education Inc. |
| BPO |
Brookfield Properties Corp. |
| BPT |
BP Prudhoe Bay Royalty Trust |
| BR |
Broadridge Financial Solutions Inc. |
| BRLI |
Bio-Reference Laboratories Inc. |
| BTU |
Peabody Energy Corp. |
| BUCY |
Bucyrus International Inc. |
| BWLD |
Buffalo Wild Wings Inc. |
| BYI |
Bally Technologies Inc. |
| CA |
CA Inc. |
| CALM |
Cal-Maine Foods Inc. |
| CAM |
Cameron International Corp. |
| CAT |
Caterpillar Inc. |
| CBST |
Cubist Pharmaceuticals Inc. |
| CCL |
Carnival Corp. |
| CCOI |
Cogent Communications Group Inc. |
| CEC |
CEC Entertainment Inc. |
| CEPH |
Cephalon Inc. |
| CERN |
Cerner Corp. |
| CF |
CF Industries Holdings Inc. |
| CHE |
Chemed Corp. |
| CHSI |
Catalyst Health Solutions Inc. |
| CKH |
SEACOR Holding Inc. |
| CL |
Colgate-Palmolive Co. |
| CLW |
Clearwater Paper Corp. |
| CMCSA |
Comcast Corp. |
| CMG |
Chipotle Mexican Grill Inc. |
| CMP |
Compass Minerals International Inc. |
| CNC |
Centene Corp. |
| CNP |
CenterPoint Energy Inc. |
| CNQR |
Concur Technologies Inc. |
| CNX |
Consol Energy Inc. |
| COCO |
Corinthian Colleges Inc. |
| COH |
Coach Inc. |
| COL |
Rockwell Collins Inc. |
| CPLA |
Capella Education Co. |
| CPSI |
Computer Programs & Systems Inc. |
| CRI |
Carters Inc. |
| CRM |
Salesforce.com Inc. |
| CSC |
Computer Sciences Corp. |
| CSGS |
CSG Systems International Inc. |
| CTSH |
Cognizant Technology Solutions Corp. |
| CVI |
CVR Energy Inc. |
| CVS |
CVS Caremark Corp. |
| CVX |
Chevron Corp. |
| CXO |
Concho Resources Inc. |
| CYBX |
Cyberonics Inc. |
| D |
Dominion Resources Inc. (Virginia) |
| DECK |
Deckers Outdoor Corp. |
| DLB |
Dolby Laboratories Inc. |
| DLLR |
Dollar Financial Corp. |
| DLM |
Del Monte Foods Co. |
| DLTR |
Dollar Tree Inc. |
| DM |
Dolan Media Co. |
| DNEX |
Dionex Corp. |
| DO |
Diamond Offshore Drilling Inc. |
| DPL |
DPL Inc. |
| DPM |
DCP Midstream Partners L.P. |
| DRC |
Dresser-Rand Group Inc. |
| DRI |
Darden Restaurants Inc. |
| DV |
DeVry Inc. |
| DVA |
DaVita Inc. |
| DVR |
Cal Dive International Inc. |
| DWA |
DreamWorks Animation SKG Inc. |
| EBIX |
Ebix Inc. |
| EBS |
Emergent Biosolutions Inc. |
| ECLP |
Eclipsys Corp. |
| EGLE |
Eagle Bulk Shipping Inc. |
| EGN |
Energen Corp. |
| EIG |
Employers Holdings Inc. |
| ELNK |
EarthLink Inc. |
| EMC |
EMC Corp. |
| EME |
EMCOR Group Inc. |
| EMR |
Emerson Electric Co. |
| EMS |
Emergency Medical Services Corp. |
| ENDP |
Endo Pharmaceuticals Holdings Inc. |
| ENP |
Encore Energy Partners L.P. |
| ENR |
Energizer Holdings Inc. |
| EOG |
EOG Resources Inc. |
| EPB |
El Paso Pipeline Partners L.P. |
| EQIX |
Equinix Inc. |
| ERES |
eResearch Technology Inc. |
| ESI |
ITT Educational Services Inc. |
| EVEP |
EV Energy Partners L.P. |
| EW |
Edwards Lifesciences Corp. |
| EXBD |
Corporate Executive Board Co. |
| EXC |
Exelon Corp. |
| EZPW |
Ezcorp Inc |
| FCFS |
First Cash Financial Services Inc. |
| FDO |
Family Dollar Stores Inc. |
| FDS |
FactSet Research Systems Inc. |
| FE |
FirstEnergy Corp. |
| FFIN |
First Financial Bankshares Inc. |
| FGP |
Ferrellgas Partners L.P. |
| FIX |
Comfort Systems USA Inc. |
| FLIR |
Flir Systems Inc. |
| FLO |
Flowers Foods Inc. |
| FLR |
Fluor Corp. |
| FLS |
Flowserve Corp. |
| FMC |
FMC Corp. |
| FPL |
FPL Group Inc. |
| FRX |
Forest Laboratories Inc. |
| FSLR |
First Solar Inc. |
| FSYS |
Fuel Systems Solutions Inc. |
| FTI |
FMC Technologies Inc. |
| G |
Genpact Ltd. |
| GBCI |
Glacier Bancorp Inc. |
| GD |
General Dynamics Corp. |
| GDP |
Goodrich Petroleum Corp. |
| GEOY |
GeoEye Inc. |
| GES |
Guess? Inc. |
| GILD |
Gilead Sciences Inc. |
| GIS |
General Mills Inc. |
| GLF |
Gulfmark Offshore Inc. Cl A |
| GMCR |
Green Mountain Coffee Roasters Inc. |
| GOOG |
Google Inc. |
| GPC |
Genuine Parts Co. |
| GR |
Goodrich Corp. |
| GRMN |
Garmin Ltd. |
| GTI |
GrafTech International Ltd. |
| GTIV |
Gentiva Health Services Inc. |
| GTLS |
Chart Industries Inc. |
| GXDX |
Genoptix Inc. |
| GYMB |
Gymboree Corp. |
| HA |
Hawaiian Holdings Inc. |
| HANS |
Hansen Natural Corp. |
| HAS |
Hasbro Inc. |
| HCBK |
Hudson City Bancorp Inc. |
| HCC |
HCC Insurance Holdings Inc. |
| HD |
Home Depot Inc. |
| HEW |
Hewitt Associates Inc. Cl A |
| HGT |
Hugoton Royalty Trust Un |
| HI |
Hillenbrand Inc. |
| HLF |
Herbalife Ltd. |
| HMSY |
HMS Holdings Corp. |
| HP |
Helmerich & Payne Inc. |
| HPQ |
Hewlett-Packard Co. |
| HRB |
H&R Block Inc. |
| HS |
HealthSpring Inc. |
| HUM |
Humana Inc. |
| IBM |
International Business Machines Corp. |
| IBOC |
International Bancshares Corp. |
| ICUI |
ICU Medical Inc. |
| IDCC |
InterDigital Inc. |
| IDXX |
IDEXX Laboratories Inc. |
| ILMN |
Illumina Inc. |
| IMMU |
Immunomedics Inc. |
| INT |
World Fuel Services Corp. |
| IPCM |
IPC The Hospitalist Co. Inc. |
| IPI |
Intrepid Potash Inc. |
| ISRG |
Intuitive Surgical Inc. |
| IT |
Gartner Inc. |
| ITG |
Investment Technology Group Inc. |
| ITT |
ITT Corp. |
| JCG |
J. Crew Group Inc. |
| JCOM |
j2 Global Communications Inc. |
| JJSF |
J&J Snack Foods Corp. |
| JKHY |
Jack Henry & Associates Inc. |
| JNJ |
Johnson & Johnson |
| JOSB |
Jos. A. Bank Clothiers Inc. |
| JOYG |
Joy Global Inc. |
| K |
Kellogg Co. |
| KBR |
KBR Inc. |
| KCI |
Kinetic Concepts Inc. |
| KMB |
Kimberly-Clark Corp. |
| KNL |
Knoll Inc. |
| KO |
Coca-Cola Co. |
| KOP |
Koppers Holdings Inc. |
| KR |
Kroger Co. |
| LANC |
Lancaster Colony Corp. |
| LDR |
Landauer Inc. |
| LGCY |
Legacy Reserves L.P. |
| LH |
Laboratory Corp. of America Holdings |
| LHCG |
LHC Group |
| LINE |
Linn Energy LLC |
| LNCR |
Lincare Holdings Inc. |
| LO |
Lorillard Inc. |
| LOPE |
Grand Canyon Education Inc. |
| LPS |
Lender Processing Services Inc. |
| LRN |
K12 Inc. |
| MANT |
ManTech International Corp. |
| MASI |
Masimo Corp. |
| MCD |
McDonald's Corp. |
| MCF |
Contango Oil & Gas Co. |
| MCK |
McKesson Corp. |
| MD |
Mednax Inc. |
| MDR |
McDermott International Inc. |
| MFLX |
Multi-Fineline Electronix Inc. |
| MHS |
Medco Health Solutions Inc. |
| MIDD |
Middleby Corp. |
| MIR |
Mirant Corp. |
| MMM |
3M Co. |
| MMP |
Magellan Midstream Partners L.P. |
| MMSI |
Merit Medical Systems Inc. |
| MO |
Altria Group Inc. |
| MON |
Monsanto Co. |
| MOS |
Mosaic Co. |
| MRK |
Merck & Co. Inc. |
| MSFT |
Microsoft Corp. |
| MSTR |
MicroStrategy Inc. |
| MTN |
Vail Resorts Inc. |
| MTSC |
MTS Systems Corp. |
| MTZ |
MasTec Inc. |
| MUR |
Murphy Oil Corp. |
| MYGN |
Myriad Genetics Inc. |
| NBL |
Noble Energy Inc. |
| NEOG |
Neogen Corp. |
| NEU |
NewMarket Corp. |
| NFLX |
Netflix Inc. |
| NITE |
Knight Capital Group Inc. Cl A |
| NKE |
Nike Inc. |
| NPK |
National Presto Industries Inc. |
| NRG |
NRG Energy Inc. |
| NSH |
NuSTAR GP Holdings LLC |
| NTLS |
NTELOS Holdings Corp. |
| NTRI |
NutriSystem Inc. |
| NTY |
NBTY Inc. |
| NUS |
Nu Skin Enterprises Inc. Cl A |
| NVEC |
NVE Corp. |
| ODSY |
Odyssey HealthCare Inc. |
| OFG |
Oriental Financial Group Inc. |
| OII |
Oceaneering International Inc. |
| OKE |
ONEOK Inc. |
| OLN |
Olin Corp. |
| OMC |
Omnicom Group Inc. |
| ORCL |
Oracle Corp. |
| ORLY |
O'Reilly Automotive Inc. |
| ORN |
Orion Marine Group Inc. |
| OSIP |
OSI Pharmaceuticals Inc. |
| OXPS |
optionsXpress Holdings Inc. |
| OXY |
Occidental Petroleum Corp. |
| OZRK |
Bank of The Ozarks Inc. |
| PCLN |
priceline.com Inc. |
| PCP |
Precision Castparts Corp. |
| PCX |
Patriot Coal Corp. |
| PDE |
Pride International Inc. |
| PDLI |
PDL BioPharma Inc. |
| PEG |
Public Service Enterprise Group Inc. |
| PEGA |
Pegasystems Inc. |
| PEP |
PepsiCo Inc. |
| PETS |
PetMed Express Inc. |
| PG |
Procter & Gamble Co. |
| PII |
Polaris Industries Inc. |
| PKG |
Packaging Corp. of America |
| PM |
Philip Morris International Inc. |
| POWL |
Powell Industries Inc. |
| PPD |
Pre-Paid Legal Services Inc. |
| PRA |
ProAssurance Corp. |
| PRE |
PartnerRe Ltd. |
| PRSP |
Prosperity Bancshares Inc. |
| PTP |
Platinum Underwriters Holdings Ltd. |
| PTV |
Pactiv Corp. |
| PX |
Praxair Inc. |
| PZZA |
Papa John's International Inc. |
| QCOR |
Questcor Pharmaceuticals Inc. |
| QSII |
Quality Systems Inc. |
| RAH |
Ralcorp Holdings Inc. |
| RAVN |
Raven Industries Inc. |
| RAX |
Rackspace Hosting Inc. |
| RDC |
Rowan Cos. Inc. |
| RGR |
Sturm Ruger & Co. |
| RHB |
RehabCare Group Inc. |
| RKT |
Rock-Tenn Co. Cl A |
| RMD |
ResMed Inc. |
| ROL |
Rollins Inc. |
| ROST |
Ross Stores Inc. |
| RRC |
Range Resources Corp. |
| RTN |
Raytheon Co. |
| SAI |
SAIC Inc. |
| SAPE |
Sapient Corp. |
| SCL |
Stepan Co. |
| SEP |
Spectra Energy Partners LP |
| SFG |
StanCorp Financial Group Inc. |
| SHOO |
Steven Madden Ltd. |
| SJM |
J.M. Smucker Co. |
| SLB |
Schlumberger Ltd. |
| SLGN |
Silgan Holdings Inc. |
| SNA |
Snap-On Inc. |
| SNPS |
Synopsys Inc. |
| SPH |
Suburban Propane Partners L.P. |
| SRDX |
SurModics Inc. |
| STE |
Steris Corp. |
| STEC |
STEC Inc. |
| STNR |
Steiner Leisure Ltd. |
| STR |
Questar Corp. |
| STRA |
Strayer Education Inc. |
| SUNH |
Sun Healthcare Group Inc. |
| SXE |
Stanley Inc. |
| SXL |
Sunoco Logistics Partners L.P. |
| SY |
Sybase Inc. |
| SYKE |
Sykes Enterprises Inc. |
| SYNA |
Synaptics Inc. |
| SYNT |
Syntel Inc. |
| SYY |
Sysco Corp. |
| TDC |
Teradata Corp. |
| TDG |
TransDigm Group Inc. |
| TDW |
Tidewater Inc. |
| TECH |
Techne Corp. |
| TGI |
Triumph Group Inc. |
| TJX |
TJX Cos. |
| TMO |
Thermo Fisher Scientific Inc. |
| TNDM |
Neutral Tandem Inc. |
| TNH |
Terra Nitrogen Co. L.P. |
| TRA |
Terra Industries Inc. |
| TRLG |
True Religion Apparel Inc. |
| TSS |
Total System Services Inc. |
| TSYS |
TeleCommunication Systems Inc. |
| TTEC |
Teletech Holdings Inc. |
| TUP |
Tupperware Brands Corp. |
| TW |
Towers Watson & Co. Cl A |
| TWGP |
Tower Group Inc. |
| TXRH |
Texas Roadhouse Inc. |
| TYL |
Tyler Technologies Inc. |
| UHS |
Universal Health Services Inc. |
| ULTA |
Ulta Salon Cosmetics & Fragrance Inc. |
| UNF |
UniFirst Corp. |
| UNH |
UnitedHealth Group Inc. |
| USMO |
USA Mobility Inc. |
| VAR |
Varian Medical Systems Inc. |
| VIVO |
Meridian Bioscience Inc. |
| VMI |
Valmont Industries Inc. |
| VR |
Validus Holdings Ltd. |
| WABC |
Westamerica Bancorp |
| WAT |
Waters Corp. |
| WDC |
Western Digital Corp. |
| WFC |
Wells Fargo & Co. |
| WGOV |
Woodward Governor Co. |
| WLT |
Walter Energy Inc. |
| WMS |
WMS Industries Inc. |
| WMT |
Wal-Mart Stores Inc. |
| WRLD |
World Acceptance Corp. |
| WWE |
World Wrestling Entertainment Inc. |
| WXS |
Wright Express Corp. |
| XTO |
XTO Energy Inc. |
| ZMH |
Zimmer Holdings Inc. |
