Berkshire Hathaway, a company owned by Buffett, has purchased more shares of Occidental Petroleum Company in recent days. According to the documents submitted to the SEC on Monday local time, the company purchased 2.9 million shares of Occidental Petroleum stocks for about 173 million US dollars on June 13, 14, and 17. Since June, Berkshire Hathaway has been buying Occidental Petroleum stocks for nine consecutive business days, and now holds a total of 255.3 million shares, worth about 15.4 billion US dollars, with a shareholding ratio of about 29%. Buffett seems to be taking advantage of the weakness of energy stocks to buy more Occidental Petroleum stocks. The recent purchase cost was less than 60 US dollars per share. In April of this year, the Occidental Petroleum stock price reached a peak of 71 US dollars, but as of the Monday closing, it was 60.20 US dollars. (Global Market Report)