COST ▲ +0.3% - Costco Wholesale Corporation $COST DASH - DoorDash and Costco Expand Global Partnership with Nationwide U.S. Launch Costco shares rose 0.3% following an announcement that the retailer has expanded its partnership with DoorDash, bringing delivery services to Costco locations nationwide across the U.S. The expanded partnership could drive incremental revenue and customer engagement by making Costco's offerings more accessible through a major delivery platform. 17-SEP-2026 06:02 AM ET