Warren Buffet Reveals $3.7 Billion Exxon Buy

Warren Buffet’s Berkshire Hathaway Inc. (NYSE: BRK-A) just reported a $3.7 billion stake in Exxon Mobile (NYSE: XOM ). In a move Bloomberg said was the company’s largest new holding since investing $10 billion in International Business Machines Corp. (NYSE: IBM ) in 2011, Buffet acquired 40.1 million