NRG, Whitewave, J.C. Penney in focus Friday By: MarketWatch August 09, 2013 at 05:30 AM EDT Among the shares expected to see active trade in Friday’s session are those of NRG Energy, Whitewave Foods and J.C. Penney. Read More >> Related Stocks: Beacon Roofing Suppl Brooks Automation J C Penney Company Inc NRG Energy The Priceline Group Veradigm Inc