Amazon ‘will be a top 5 grocer in the U.S.’ with Whole Foods acquisition By: MarketWatch June 16, 2017 at 12:15 PM EDT Amazon’s acquisition of Whole Foods will affect not just grocers, but all of retail, experts say. Read More >> Related Stocks: Amazon.com Costco Wholesale Kroger Co Standard & Poors 500 Target Corp Wal-Mart Stores, Inc. Whole Foods Market