Western Digital Stock Rises on Positive AI Storage Outlook From Peer SanDisk

Western Digital Corp. (WDC) shares rallied 3.7% in morning trading, lifted by a positive outlook for AI-driven storage demand following commentary from its recently spun-off peer, SanDisk.

The stock was trading at $464.52 after opening at $438.58 and reaching a session high of $474.54, according to Investing.com data.

SanDisk Commentary Fuels Rally

The primary catalyst for the move was commentary from SanDisk executives at the Goldman Sachs Communacopia + Technology Conference a day earlier. The remarks provided a strong "sympathy tailwind" for Western Digital and the broader data storage sector.

SanDisk's management noted that artificial intelligence inference is hitting a "memory wall," creating a surge in demand for high-capacity storage. Key takeaways from the conference included:

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• Data centers now account for the majority of NAND flash demand.
• The growth of large AI models requires increasingly scalable storage solutions.
• SanDisk has signed multiple strategic multi-year supply agreements, improving demand visibility for the industry.

Market Context and Stock Performance

The advance in Western Digital's stock was driven by sector-specific dynamics rather than a broad market surge. While the tech-heavy NASDAQ Composite was up 0.4%, the S&P 500 was flat and the Dow Jones Industrial Average traded slightly lower.

As a company with significant revenue exposure to cloud and hyperscale customers, Western Digital's business is highly sensitive to trends in AI infrastructure spending. The positive signals on robust demand for storage resonated directly with investors, even in the absence of a company-specific announcement.