Berkshire Hathaway buys more Occidental shares, stake rises to 23.1%
March 15 (Reuters) - Warren Buffett's Berkshire Hathaway Inc purchased more Occidental Petroleum Corp shares, increasing its stake in the oil company to...
March 15 (Reuters) - Warren Buffett's Berkshire Hathaway Inc purchased more Occidental Petroleum Corp shares, increasing its stake in the oil company to...