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 ...

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 ...

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 ...

Sam’s Club is the latest retail chain to allow outside brands to advertise to its shoppers while in store. This July, the Walmart-owned club store announced it will expand its retail media platform ...