Buffett bought more Occidental shares in each of last six trading days
Warren Buffett's Berkshire Hathaway bought more shares of Occidental Petroleum on each of the last six trading days, boosting its stake in the Houston-based oil and gas producer to 24.4%, according to regulatory filings. The Omaha, Nebraska-based conglomerate purchased a total of of 5.6 million shares for $327.2 million...