On September 4, SanDisk Corp. rose 3.26% in pre-market trading, trading at approximately $1,605.0 per share, with turnover of $2.03 billion. The broader storage chip sector moved higher in tandem, with Seagate Technology and Western Digital up over 2%, and SK Hynix and Micron Technology gaining more than 1%.

The rally was underpinned by a continuation of tight supply-demand dynamics across the memory industry. Kioxia and SanDisk jointly announced plans to invest approximately $31 billion over the next six years to expand NAND flash production capacity in Japan, including construction of new fabrication facilities. This significant capital commitment reinforced long-term bullish expectations for the storage cycle. Additionally, Bank of America recently projected that DRAM and NAND spot prices could rise an additional 10% to 20% in September, as major manufacturers prioritize AI customer allocation, leaving channel supply fulfillment rates below 50%.

Separately, Mizuho maintained its Outperform rating on SanDisk with a $1,875 target price, forecasting a fivefold EPS increase between fiscal years 2026 and 2028, further supporting the structural growth thesis for NAND leaders.

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