WARREN BUFFETT: We're hunting for an 'elephant-sized acquisition' (BRK.B)

Warren Buffett, the chairman and CEO of Berkshire Hathaway, released his annual letter to shareholders on Saturday. 
Buffett wrote that he and his vice chairman, Charlie Munger, still hoped to make a large acquisition.
Buffett said in last year's letter that he wanted to make a big deal, but companies' valuations were too expensive.
Warren Buffett, the chairman and CEO of Berkshire Hathaway, wrote in his annual letter released on Saturday that he remained on the hunt for a sizeable acq