Amazon is now worth more than Wal-Mart By: MarketWatch July 23, 2015 at 17:28 PM EDT Amazon.com’s market valuation has soared past that of brick-and-mortar rival Wal-Mart Stores Inc., after the e-commerce giant reported blowout second-quarter results. Read More >> Related Stocks: Amazon.com Boeing Co Caterpillar Goldman Sachs Group Wal-Mart Stores, Inc.