Walmart Inc. is suing BJ's Wholesale Club in federal court, claiming the membership warehouse chain infringed on Walmart's patents for its app-based Scan & Go technology. In a complaint filed Tuesday ...

Shopping via smartphone is nothing new. And plenty of people whip out their smartphones to comparison shop in stores, much as the retailers hate it. But Walmart may be the first store in the area that ...

Mobile commerce is less about the technology and more about the behavioral change facilitated by the technology. Walmart’s recent introduction of the Savings Catcher feature in its app is a great ...