After revealing that Costco reported $26.6 billion in September sales, up 8% year-over-year, shares increased by 2%. The company’s global comparable sales grew, driven primarily by an impressive 8.5% expansion in international markets. With the retailer continuing to add new stores, investors responded positively to the strong sales performance and expansion strategies. This short 37-second video discusses the reasons behind Costco's stock climb and future growth prospects.