Costco tops earnings and revenue estimates as sales jump 8%
1. Costco's Q3 earnings beat expectations with $4.28 EPS. 2. Revenue rose 8% to $63.21 billion, exceeding estimates. 3. Tariffs may increase costs but drive customer membership. 4. Strength in supplier negotiations benefits Costco's pricing power. 5. Shares up 10% this year, outperforming S&P 500.