(RTTNews) - Costco Wholesale Corp. (COST), on Wednesday, said its total company comparable sales were up 14.3 percent for the five weeks ended October 3, 2021. Costco currently operates 817 warehouses, including 565 in the United States. Excluding the impacts from changes in gasoline prices and foreign exchange, total company comparable sales were up 9.4 percent, and U.S. sales were up 10.0 percent.