On May 16th, Buffett's Berkshire Hathaway submitted 13F US stock position documents show that in the first quarter Berkshire increased its holdings of Western Petroleum (OXY. N) 4.30 million shares, cleared Hewlett-Packard (HPQ. N), reduced its holdings of Apple (AAPL. O) 116 million shares, the proportion of holdings fell to 40%, and bought 25.92 million shares to build Anda Insurance. As of the end of Q1, the total market value of Berkshire's holdings was 332 billion US dollars, and the market...