Costco Wholesale (COST) shares have risen 16% over the past month and are presently being traded at $983.25. SHENZHEN, CHINA - APRIL 12: A view of the exterior of a Costco Wholesale store with rows of shopping carts lined up in the foreground and the warehouse-style retail building under a cloudy sky, on April 12, 2025 in Shenzhen, China. China has imposed a new round of retaliatory tariffs on U.S. imports, raising duties to 125% in response to the latest escalation by the United States, which increased tar ...