Warren Buffett must really love oil. Berkshire boosts Occidental Petroleum stakeCNN Business • 06/23/22
Warren Buffett's Berkshire Hathaway plows another $529 million into Occidental Petroleum, boosting its bet on the energy stock to $8.5 billionBusiness Insider • 06/23/22
Occidental Petroleum shares steady after latest Berkshire Hathaway purchase revealedMarket Watch • 06/23/22
Warren Buffett Can't Keep His Hands Off Occidental as Berkshire Hathaway Buys More StockBarrons • 06/23/22
Berkshire Hathaway buys 9.6 million more Occidental shares, raises stake to over 16%Reuters • 06/23/22
What's Going On With Chevron, Diamondback Energy And Occidental Petroleum Shares Today?Benzinga • 06/22/22
Occidental Petroleum Is Making Strides to Capture This $5 Trillion OpportunityThe Motley Fool • 06/11/22