Energy stocks down as losses mount for majors By: MarketWatch September 12, 2013 at 11:51 AM EDT Losses for several major oil and gas companies and refiners bring energy stocks lower on Thursday. Read More >> Related Stocks: CONSOL Energy Chevron Corp ConocoPhillips Energy Select Sector SPDR Exxon Mobil Noble Energy Royal Dutch Shell Plc ADR Tesoro Petroleum Co Valero Energy Wpx Energy Inc