Warren Buffett's conglomerate Berkshire Hathaway has filed a Form 3 and Form 4 with the SEC. Per the filing, Berkshire now owns over 57.9 million shares of Phillips 66 (PSX). Berkshire was out buying on August 26th - 28th at prices between $71.56 and $77.26. In total, they bought over 3.17 million shares over those three days. They now own over 10% of the company with a stake worth over $4.4 billion. Read more: http://www.marketfolly.com/2015/08/warren-buffetts-berkshire...