FILE - Berkshire Hathaway Chairman and CEO Warren Buffett smiles during an interview, May 7, 2018, in Omaha, Neb. Buffett joined the recent oil-buying spree in the market this week by resuming Berkshire Hathaway's purchases of Occidental Petroleum stock for the first time in four months. Buffett's company said late Wednesday, Oct. 25, 2023 that it invested more than $246 million to add to its already massive Occidental stake. (AP Photo/Nati Harnik, File) FILE PHOTO
