SanDisk has emerged as the top performer in the S&P 500, with its stock price skyrocketing 558% year-to-date in 2026. Trading under the ticker SNDK on the Nasdaq, the company's shares have reached approximately $990, driven by a significant increase in demand for NAND flash memory amid the AI boom. SanDisk reported a 61% rise in Q2 fiscal year 2026 revenue to $3.03 billion, with full-year projections at $10.45 billion, marking a 42% year-over-year growth. The company's inclusion in the Nasdaq-100 index on April 20, 2026, further fueled its stock rally, as index-tracking funds were compelled to purchase shares. Analysts remain optimistic, with Bank of America setting a price target of $1,080, while MarketBeat's consensus suggests a potential rise to $1,562, indicating further upside potential from current levels.