Oasis Petroleum leads energy stocks higher By: MarketWatch September 06, 2013 at 12:11 PM EDT Oasis Petroleum Inc. is one of the energy sector’s best performers as the company buys acres in North Dakota’s Williston Basin and ramps up its production. Read More >> Related Stocks: Chevron Corp ConocoPhillips EQT Corp Energy Select Sector SPDR Exxon Mobil Oasis Petroleum Inc