Valero Energy Corporation (VLO) is a premier oil refining company. Year to date, the company has gained 8%, outpacing the 1.4% rise of the composite stocks belonging to the industry.What’s Favoring VLO?Valero, currently carrying a Zacks Rank #3 (Hold), is a best-in-class oil refiner involved in the production of fuels and products that can meet the demands of modern life. Its refineries are located across the United States, Canada and the U.K. A total of 15 petroleum refineries, wherein Valero has ownership ...