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Few stocks on Wall Street have delivered gains as staggering as SanDisk Corporation (SNDK) in recent months. Since re-emerging as an independent company after its separation from Western Digital Corporation (WDC) in 2025, the flash-memory specialist has become one of the market’s most explosive artificial intelligence (AI) infrastructure plays. Fueled by surging demand for NAND flash memory used in data centers, enterprise SSDs, and AI workloads, the stock has skyrocketed 858.5% over just six months, turning it into one of the best-performing technology names on the market.
The rally has been powered by a combination of powerful catalysts, including a tight global supply of NAND memory, rapidly rising storage demand from AI systems, and a major re-rating after the company became a pure-play storage firm following its spin-off. Strong earnings growth and expanding margins have further reinforced investor enthusiasm for the stock.