Amazon's Whole Foods deal may accelerate the fresh food takeover, hurting General Mills By: CNBC.com News June 19, 2017 at 15:09 PM EDT Amazon's $13.7 billion purchase of Whole Foods couldn't come at a worse time for big brand food companies. Read More >> Related Stocks: Amazon.com Kellogg Co Kraft Heinz Company Wal-Mart Stores, Inc. Whole Foods Market