Why SanDisk (SNDK) rose 12.75%
SanDisk (SNDK) rose 12.75% on August 14, 2026 — SanDisk lifts revenue forecasts, sparks memory rally.
What happened
SanDisk raised long-dated revenue-growth forecasts at its Investor Day, signaling confidence in decade-long secular demand for NAND flash memory.
Why it moved
Higher multi-year growth guidance re-rates the stock by extending visibility into margin expansion and capital returns — memory investors had feared demand saturation, but management's bullish outlook reverses that…
Why it matters
The AI Memory theme hinges on NAND and DRAM supply tightness powering pricing — SanDisk's upward guidance suggests pricing discipline will persist, validating the cycle rather than rolling it back.
What would break the thesis
If management later trims guidance or NAND spot prices deteriorate despite the bullish posture, the re-rating unwinds sharply.