The S&P 500's Best Stock in 2025 May Soar in 2026 as the Artificial Intelligence (AI) Boom Continues (Hint: Not Palantir)
Key Points Sandisk shares increased 559% last year following its spin-off from Western Digital, making it the best-performing stock in the S&P 500. Over the last decade, the best-performing stock in the S&P 500 in any given year has returned an average of 78% during the next year. Sandisk is gaining market share in NAND ...












