A shopper buys Coca-Cola at Costco in Mountain View, Calif., in April. Costco, which pulled Coke from its shelves this month, has also removed other products when it got into a dispute with the manufacturer over price. Paul Sakuma/AP hide caption

itoggle caption Paul Sakuma/AP

A woman walks by Christmas merchandise offered for sale in October at a Home Depot in Niles, Ill. Analysts predict the troubled economy will result in flat retail sales this holiday season. Scott Olson/Getty Images hide caption

itoggle caption Scott Olson/Getty Images