Shares of Exxon Mobil Corp. (XOM) , the world's biggest publicly traded oil company, gained 50 cents on the New York Stock Exchange to $65.41. That is in the upper end of its 52-week trading range of $54.50 to $71.22.
Shares of Valero Energy Corp. (VLO), the country's largest independent refiner, rose by 21 cents to $48.40, near the bottom of its 52-week trading range of $45.86 to $70.75.