Interested in Occidental Petroleum? Check Out This Oil Stock First.

Occidental Petroleum (OXY 1.23%) is one of the most popular oil stocks these days. Warren Buffett has a lot to do with that. His company, Berkshire Hathaway, has been buying shares of the oil giant hand over fist and now owns over a quarter of its outstanding stock. Another big driver of Occidental Petroleum's popularity is its leading position in the prolific Permian Basin. However, it's not the only oil stock focused on that oil-rich region. Rival Diamondback Energy (FANG 0.83%) has quietly built up an im ...