Groupon Inc, Smith & Wesson Holding, SolarCity, Nokia, and GameStop Corp prevailed in pre-market trading on Friday.
Safeway Inc, DRDGOLD, Men's Wearhouse, Research In Motion and Vanda Pharmaceuticals prevailed in pre-market trading on Thursday.
Carnival PLC, Tesla Motors, BT Group and Rio Tinto prevailed in pre-market trading on Wednesday.
Dole Food, Synergetics USA, Gencorp, Sprint Nextel and Real Goods Solar prevailed in pre-market trading on Tuesday.
Arena Pharmaceuticals, Toyota Motor, Facebook, PhotoMedex, Research In Motion and Royal Caribbean Cruises prevailed in pre-market trading on Monday.
Micron Technology, Renren Inc, BT Group, CVS Caremark Corp and Yum! Brands prevailed in pre-market trading on Friday.
Sodastream, Nomura, Transcept, Clovis Oncology, Radian and VMware prevailed in the pre-market trading on Thursday.
Pluristem Therapeutics, Salesforce.com, Lloyds Banking and Delhaize Group prevailed in the pre-market trading on Wednesday.
Nomura, Sodastream, General Motors, BioMarin and SAP AG prevailed in the pre-market trading on Tuesday.
Regulators voted to term AIG, Prudential Financial and GE Capital as "systemically important" and place them under increased scrutiny.
NV Energy, James River Coal Co, Lexicon Pharmaceuticals, Facebook and MEMC Electronic Materials prevailed in pre-market trading on Thursday.
The top after-market NYSE gainers Friday were Hertz Global Holdings Ltd, Quicksilver Resources, Yingli Green Energy Holdings Co. Ltd, Nordic American Tanker Ltd and Office Depot Inc. The top after-market NYSE losers were Exelon Corporation, Cimarex Energy Co., NRG Energy Inc., Global Ship Lease Inc., and FirstEnergy Corp.
Pandora Media, Yingli Green, InterOil, Marvell Technology, Siemens AG prevailed in the pre-market trading on Friday.
Hewlett-Packard, GameStop, Ocean Rig, Syngenta, ExOne prevailed in the pre-market trading on Thursday.
Saks, Kinross Gold, NPS, Eldorado Gold, Barrick Gold prevailed in the pre-market trading on Wednesday.
Real Goods Solar Inc, The Home Depot Inc, Rio Tinto Plc, BHP Billiton prevailed in pre-market trading on Tuesday.
EPL, Ellie Mae, Copa Holdings, United States Cellular Corporation and Heckmann prevailed in the NYSE post-market trading on Friday.
National Bank of Greece, SINA, ArcelorMittal, Tesla, and Nokia prevailed in the pre-market trading on Friday.
National Bank of Greece, InvenSense, Accuride, Diana Shipping and Terex prevailed in the NYSE post-market trading on Thursday.
Cisco, Tesla , Halozyme, Southwest Airlines, and Medtronic are among the companies, which prevailed in the pre-market trading on Thursday.
Dillard's, Juniper, Chicago Bridge & Iron, Actavis and Yingli Green prevailed in the NYSE post-market trading on Wednesday.
Tata Motors, ING Groep, Qiagen, Gap, and Barclays are among the companies that prevailed in the pre-market trading on Wednesday.