Should You Buy Costco Before 2026?

Shares of Costco Wholesale (NASDAQ: COST) have climbed an impressive 135% in the past five years (as of Nov. 26). This huge gain puts it significantly ahead of the S&P 500 index. Investors are wondering if the good times will continue. Should you buy this retail stock before 2026?Image source: Getty Images.Valuation can be a powerful tailwind for investors. However, this requires the starting valuation to be attractive, allowing room for multiple expansion. Costco doesn’t fit the description. Its shares trade at a nosebleed price-to-earnings ratio of 50. Continue readinghttps://www.fool.com/investing/2025/12/01/should-you-buy-costco-before-2026/