Energy stocks lag, Peabody gives back gains By: MarketWatch April 19, 2013 at 11:43 AM EDT Energy stocks lag the broader U.S. equities Friday and also look set to end the week off more than any other sector in the S&P 500. Read More >> Related Stocks: Baker Hughes Inc CONSOL Energy Chevron Corp ConocoPhillips Exxon Mobil Schlumberger Ltd Tesoro Petroleum Co Valero Energy