Key Takeaways Costco's October net sales rose 8.6% to $21.75B, driven by a 6.6% surge in comparable sales.Growth followed steady prior comps and reflected strong member loyalty and value perception.Kirkland Signature gains, sourcing shifts and digital sales up 16.6% reinforced Costco's value edge.Costco Wholesale Corporation’s (COST) October sales results demonstrate how its value-driven business model continues to connect with consumers in a cautious environment. Net sales for the four weeks ending Nov. 2, ...