Energy stocks react to Japan’s nuclear woes By: MarketWatch March 14, 2011 at 09:13 AM EDT Energy stocks react negatively to Japan’s nuclear problems and move down in early activity with the broad market; Noble Corp. draws upgrade from J.P. Morgan. Read More >> Related Stocks: Chevron Corp Entergy Corp Exelon Corp First Solar Fluor Corp PG&E Corp Public Svc Enterprises Tesoro Petroleum Co Valero Energy