Costco demonstrated exceptional resilience on January 20, 2026, closing slightly higher despite a massive market sell-off, reinforcing the perception of its membership-driven model as a safe haven for investors.
- The stock closed up 0.07% at $964.26, insulating it from the broader market decline.
- This defensive performance occurred while the Nasdaq Composite plunged 2.30%.
- The widespread sell-off was driven by escalating geopolitical tensions over the Greenland sovereignty dispute and new tariff threats against European allies.