Stock Update (NYSE:WMT): Wal-Mart to launch own mobile pay system

[AP] – The mobile payment wars are heating up. Wal-Mart Stores Inc., the world’s largest retailer, said it’s launching its own mobile payment system that will allow shoppers to pay with any major . . . → Read More: Stock Update (NYSE:WMT): Wal-Mart to launch own mobile pay system Similar Articles: Company Update: Wal-Mart Stores Inc (NYSE:WMT) – U.S. ends probe of Wal-Mart on ‘Made in USA’ logo Company Update: Wal-Mart Stores Inc (NYSE:WMT) – Facebook now worth more than Wal-Mart on stock market Stock Update: Wal-Mart Stores Inc (NYSE:WMT) – Wal-Mart uses tax havens to cut taxes on foreign units: advocacy group