This Top Warren Buffett Stock Continues to Deliver an Impressive Performance

Warren Buffett's company has made a big bet on this oil stock.Warren Buffett's company, Berkshire Hathaway (BRK.A -0.40%) (BRK.B 0.83%), continues to be a big believer in Occidental Petroleum (OXY 1.63%). It's easy to see why when looking at the oil giant's recently reported second-quarter results. The company delivered strong performance across the board despite lower oil and gas prices during the period.This consistent execution, even amid market volatility, gives Occidental Petroleum a solid foundation t ...