Walmart says prices are coming down — except in one key area

A customer pushes her shopping cart through the aisles at a Walmart store in the Porter Ranch section of Los Angeles.Prices of many groceries and other items have fallen at Walmart, according to CEO Doug McMillon.Yet the leader of the nation's largest retailer said Thursday that inflation "has been more stubborn" in one particular part of the store: The aisles that carry dry groceries and processed foods. Those include items like carbonated soft drinks.On a call after the discounter posted second-quarter ea ...