Berkshire Hathaway boosts bet on oil ahead of shareholder meeting, makes Chevron 4th-largest investment
Berkshire Hathaway has bet big on oil and gas by investing around $40 billion into Occidental and Chevron together.
Democratic committee chair calls oil CEOs to testify amid gas price spike
The chairman of the House Natural Resources Committee is asking the CEOs of three major energy companies to testify on a surge in gas prices.