Energy Excellence: It Could Be The Refiners ETF By: Benzinga via Benzinga October 15, 2015 at 10:39 AM EDT Although oil prices have retreated a bit in recent sessions, the United States Oil Fund (NYSE: USO) is still up 3.3 percent over the ... Read More >> Related Stocks: Berkshire Hathaway Marathon Petroleum Phillips 66 Tesoro Petroleum Co United States Oil Fund Valero Energy