Costco Stock: Buy, Sell, Or Hold?

1. Costco's Q4 earnings hit $5.87, outpacing expectations with 11% growth. 2. U.S. comparable sales growth weakened, down to 5.1% in Q4. 3. E-commerce sales surged by 13.6%, expanding Costco's market reach. 4. High valuation at 52x earnings raises concerns about future growth. 5. Costco's membership income increased by 14%, showing strong retention.