Energy stocks retreat as BP mulls 'well kill' By: MarketWatch July 20, 2010 at 10:15 AM EDT Energy stocks joins the broader U.S. equities market in the red Tuesday, as shares of petroleum producers post the heaviest losses in the sector. Read More >> Related Stocks: BP Plc ADR Chevron Corp Exxon Mobil QEP Resources Totalenergies Se ADR