Wal-Mart’s whining because Amazon’s winning, analyst says By: MarketWatch July 17, 2015 at 13:30 PM EDT Wal-Mart Stores’ attempt to create a competitive offering to Amazon.com is a sign of desperation, according to Piper Jaffray’s Gene Munster. Read More >> Related Stocks: Amazon.com Wal-Mart Stores, Inc.