Sept 30 (Reuters) - Warren Buffett's Berkshire Hathaway (BRKa.N), opens new tab is in talks to buy Occidental Petroleum's (OXY.N), opens new tab OxyChem petrochemical unit for about $10 billion, the ...
OMAHA, Neb. -Warren Buffett on Saturday used the annual meeting of Berkshire Hathaway Inc to reveal major new investments ...