TOP 10

Open price : $ 46

Although Marathon Petroleum Corporation has one of the lower percentage returns on this list ( 11 percent since May 2015 ), the 127-year-old company is also one of the most stable . As one of the largest independent petroleum product refining , marketing , retail and transportation businesses in the United States , the company owns and operates seven refineries in the Gulf Coast and Midwest regions and maintains in-house means of product distribution , reducing costs and further ensuring quality control .

22 September 2015