Costco December net sales, comp sales riseCostco Wholesale Corp.’s overall sales rose 7.7% in December even as its e-commerce comps declined as customers opted to shop more in-store. Costco to open 24 new stores; Q1 sales up 8.1%Costco Wholesale Club reported first-quarter sales and earnings that missed Street estimates as it deals with inflation and higher operating expenses. First Previous 2 3 4