Add Yahoo as a preferred source to see more of our stories on Google. Walmart has filed a lawsuit against its big-box rival BJ’s Wholesale, alleging that it stole the self-checkout technology it uses ...

Walmart's new Scan & Go system allows shoppers to scan their groceries as they shop to save time at the checkout line. MIKE SIMONS/Tulsa World The Tulsa area is one of the test markets for Walmart's ...

Costco is following in Walmart’s footsteps to use technology to help eliminate a major customer complaint – long lines at checkout. Warehouse club chain Costco has launched a scan-and-go pilot program ...