Investing $10,000 in Costco Wholesale Corporation (COST) stock 15 years ago would have resulted in a remarkable return, with the stock price rising approximately 400% by August 2024, making the investment worth around $50,000. Costco’s strong financial performance is attributed to its commitment to quality products at competitive prices, a robust membership model, and efficient operations. Investors have also enjoyed steady dividend payments, averaging a yield of 1.2% over the past decade. Costco’s stock growth has significantly outpaced the S&P 500’s 200% return, highlighting the advantages of long-term investment in a value-driven company.