Berkshire Bought Nucor Stock. Buffett Will Hope It Works Out Better Than His Last Steel Play. Berkshire Hathaway bought Nucor stock. Hopefully, this purchase works out better than the last time Warren Buffett dabbled in the steel business.

Warren Buffett's Berkshire Hathaway increased its holdings in UnitedHealth Group stock, and also added positions in D.R. Horton, Lamar Advertising, and Nucor.

Warren Buffett’s Berkshire Hathaway revealed a position in embattled healthcare giant UnitedHealth Group while showing smaller stakes in longtime holdings Apple and Bank of America, according to a regulatory filing Thursday.