Key Points Berkshire Hathaway already owns a huge stake in a top oil and gas outfit. It could easily buy more of it. Buffett was never a big fan of technology stocks, but Alphabet is proving to be a worthy exception. Digital Realty Trust is more of a recurring income investment than a growth holding. 10 stocks we like better than Occidental Petroleum › It's official. Warren Buffett is no longer the CEO of Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B). He stepped down from this role at the end o ...