Markets

3M Co. ACE Ltd. AEGION AFLAC, Inc. ARM Holdings, Plc AT&T Acadia Realty Trust Affiliated Managers Group, Inc. Air Products & Chemicals, Inc. Alexion Pharmaceuticals, Inc. American Campus Communities Amgen, Inc. Amsurg Corp Anaren, Inc. Anixter International, Inc. Apple, Inc. Ashland, Inc. Associated Estates Realty Astec Industries, Inc. Baidu.com SP ADR Baker Hughes, Inc. Barrett Business Services Boyd Gaming Corp. Buckeye Technologies, Inc. Buffalo Wild Wings, Inc. C.R. Bard, Inc. CBRE Group CIT Group, Inc. CTS Corp. Capella Education Company Celadon Group, Inc. Celanese Corp. Series A Celestica, Inc. Centene Corp. Century Aluminum Co Chicago Bridge & Iron Coach, Inc. Community Bank System, Inc. Cybex International, Inc. Cymer, Inc. DeVry, Inc. Delphi Automotive PLC Duff & Phelps Corp. Cl A Dyax Corp Dynamics Research Corp ENTEROMEDICS Edwards Lifesciences Corp. Encore Wire Corp Entropic Communications, Inc. Euronet Worldwide, Inc. FMC Technologies, Inc. FORTINET Federal-Mogul Corporation First Commonwealth Financial Corp. FirstMerit Corp HOMEAWAY Harmonic, Inc. Hawaiian Holdings, Inc. Healthways, Inc. Hershey Foods Corp. Hutchinson Technology, Inc. ITC Holdings Ii-Vi, Inc. Illinois Tool Works, Inc. Imation Corp. Inphi International Game Technology Janus Capital Group, Inc. Juniper Networks, Inc. Kansas City Southern LCA-Vision, Inc. Lennox International, Inc. Lexmark International, Inc. Life Technologies Corporation Lincoln Electric Holdings, Inc. Manhattan Associates, Inc. McGraw Hill Financial Mercury Computer Systems, Inc. Merit Medical Systems, Inc. Nabors Industries Ltd. Norfolk Southern Corp. OSI Systems, Inc. Paccar, Inc. Panera Bread Co Parker Hannifin Corp. Pennsylvania Real Estate Investment Trust Pervasive Software, Inc. PrivateBancorp, Inc. Questar Corp. RF Micro Devices, Inc. RadioShack Corp. Radisys Corp Ramco-Gershenson Properties Trust Rayonier Inc. REIT Regions Financial Corp. Renasant Corporation Reynolds American, Inc. Robert Half International, Inc. Rochester Medical Corp Rush Enterprises, Inc. Ryder System, Inc. SeaBright Holdings Sigma-Aldrich Corp Stepan Co. Super Micro Computer, Inc. Synovus Financial Corp T Rowe Price Group, Inc. TC PipeLines LP Tanger Factory Outlet Centers, Inc. The Bancorp, Inc. Torchmark Corp. Total System Services, Inc. Town Sports International Holdings, Inc. Trustmark Corp Twin Disc, Incorporated UMB Financial Corp USANA Health Sciences, Inc. Unisys Corp. United States Steel Corp. United Technologies Corp. Vascular Solutions, Inc. Vitran Corporation, Inc. Vocus, Inc. Wabtec Waters Corp. Western Union Wipro Ltd. ADS Zix Corporation iRobot Corporation