Berkshire Hathaway (NYSE: BRK.A), a conglomerate helmed by Warren Buffett, strengthened its largest shareholder position on Occidental Petroleum (NYSE: OXY) by purchasing an additional 5.99 million shares, bringing its total equity on the oil company at around 20.9% The purchase–made in multiple transactions from Sept. 26 to Sept 28–follows after acquiring 9.9 million shares in the company … Continue reading Warren Buffett’s Berkshire Hathaway Adds 6 Million More Occidental Petroleum Shares