Warren Buffett is expanding his bet on the oil industry, slowly adding to his already large stake in oil refiner Phillips 66 even as crude oil prices have sunk to a 12-year low. From Jan. 4 to Jan. 11, …
Warren Buffett is expanding his bet on the oil industry, slowly adding to his already large stake in oil refiner Phillips 66 even as crude oil prices have sunk to a 12-year low. From Jan. 4 to Jan. 11, …