NEW YORK — 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 ...
BENTONVILLE, Ark. — Thousands of people in the United States were unable to use Walmart’s mobile app and website on Tuesday because of a big system outage. The trouble began around 7 a.m. Eastern on ...