Warren Buffett resisted a last-gasp shopping spree in his final weeks as Berkshire Hathaway CEO

Warren Buffett built his fortune through long-term investing at his firm, Berkshire Hathaway. Johannes EISELE / AFP via Getty Images Warren Buffett held tight to the purse strings in his final quarter as Berkshire Hathaway CEO. Berkshire's cash pile grew to a record $373 billion as it sold stocks and refrained from buybacks. Operating profits fell sharply as insurance weakness outweighed strength in other Berkshire units. If you handed most people nearly $400 billion, they'd find plenty of ...