Energy stocks inch lower, giving up earlier gains By: MarketWatch September 19, 2013 at 12:12 PM EDT Energy stocks decline Thursday, giving up early gains as the broader equity market wavered between small gains and losses. Read More >> Related Stocks: BP Plc ADR Chevron Corp ConocoPhillips Energy Select Sector SPDR Exxon Mobil Marathon Petroleum Phillips 66 QEP Resources Williams Companies