Warren Buffett’s Berkshire Hathaway Inc purchased more Occidental Petroleum Corp shares, increasing its stake in the oil company to about 23.1 percent, a regulatory filing showed on Wednesday. Berkshire paid about $466.68 million for 7.9 million Occidental shares between March 13 and March 15, according to the filing. Earlier this month, filings revealed that Berkshire Hathaway had resumed its purchases of Occidental Petroleum Corp shares after a five-month hiatus. The Omaha, Nebraska-based company company now … Continue reading Berkshire Hathaway buys more Occidental shares, stake rises to 23.1%