Warren Buffett’s Berkshire Hathaway bought additional shares in Occidental Petroleum this week, raising its stake in the U.S. oil firm to 24.4%, a regulatory filing shows. Berkshire Hathaway acquired 3,457,222 Oxy common stock this week, at around $58 per share for some $201 million. As a result of the latest transactions, Berkshire Hathaway now owns 217,330,133 common shares of Occidental, which are worth around $12.7 billion. Earlier this month, Warren Buffett said that Berkshire Hathaway would not be seeking full control of Occidental…
