Mobile offshore drilling units stand in the Port of Cromarty Firth in this aerial view in Cromarty, U.K., on Tuesday, June 23, 2020. Oil headed for a weekly decline -- only the second since April -- as a surge in U.S. coronavirus cases clouded the demand outlook, though the pessimism was tempered by huge cuts to Russia's seaborne crude exports. Photographer: Jason Alden/Bloomberg
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Warren Buffett’s Berkshire plows more money into big oil – with insight from The Wall Street Journal
Berkshire Hathaway is plowing more money into big oil. The company has been ramping up its position in Occidental Petroleum since February.