Sandisk spun off from Western Digital in February 2025 to become a standalone company for the second time, and its stock has risen nearly 3,400% since. The stock hit an all-time high on June 25 but was down 45% from that peak as of Oct. 23. Sandisk has benefited from AI infrastructure demand that has created a memory supply shortage, giving it strong pricing power; in fiscal Q4 2026 (ended July 3), revenue jumped 372% to $9 billion and gross margin rose from 26% to 85%. The article notes the stock has often swung by at least 20% within short periods and calls it a good company that could suit long-term investors, though it operates in a cyclical industry and high volatility is normal. It says the stock is currently riding a high and will eventually cool as memory supply catches up with demand.
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