Warren Buffett is eager to invest $80 billion. That's enough to buy GM, FedEx, or Activision Blizzard.

Warren Buffett's Berkshire Hathaway could spend $80 billion on acquisitions. FedEx, GM, Ford, Twitter, Chipotle, and eBay are in the investor's price range. Buffett doesn't expect any deals soon because of fierce competition. See more stories on Insider's business page. Warren Buffett has $80 billion in excess cash that he's...