Warren Buffett’s Berkshire Hathaway set to make its biggest deal in three years

Berkshire Hathaway, the Warren Buffett-owned conglomerate, has announced its biggest deal in three years with the planned acquisition of OxyChem for $9.7 billion. This will be Buffett’s biggest deal since he paid $11.6 billion for Alleghany, an insur... [841 chars]