Photo: Albert Stoynov / Unsplash, Unsplash License (cropped). Generic circuit-board hardware, not an identified SanDisk or Micron product.
SanDisk and Micron shares suffered double-digit losses Thursday as the selloff in artificial-intelligence stocks spread through the memory and storage companies that supply the technology behind data centers and consumer devices. Corning, Lumentum and CoreWeave also fell sharply as investors sold across the AI-infrastructure supply chain.
SanDisk’s CNBC quote showed $837.67 at 1:29 p.m. Eastern on November 5, down $199.73, or 19.25%. Micron’s quote showed $683.20 at 1:10 p.m. Eastern, down $112.03, or 14.09%.
These are intraday snapshots, not closing prices. The two quotes were recorded at different times, and prices can change sharply before the closing bell.
Memory stocks caught in the AI retreat
The declines were part of a much wider retreat, rather than evidence by themselves of a new problem at either company. Reuters reported that SanDisk and Micron were among more than a dozen large technology stocks falling by double-digit percentages. Its report said the semiconductor index had fallen as much as 11% during the session.
Reuters linked the broader retreat to concerns about the pace and financing of the AI data-center buildout, alongside post-election restrictions that could limit construction. Strategists interviewed in that report offered differing assessments of the policy impact and the selling. Those concerns help explain the market backdrop; they do not establish a single cause for every trade in either stock.
CNBC’s midday roundup also described steep losses across semiconductor and AI-infrastructure companies. Its earlier snapshot put SanDisk down about 20% and Micron down almost 13%, illustrating how the figures shifted during the session.
What the companies make
Micron makes DRAM, NAND and NOR memory and storage products. Its business includes cloud and data-center memory, making it part of the supply chain for AI and other computing-intensive applications.
SanDisk makes storage products based on NAND flash technology, including solid-state drives, removable memory cards and USB drives. Its products reach data-center, edge-computing and consumer markets.
Fiber, photonics and rented computing power fall too
In CNBC’s midday roundup, first published at 1:06 p.m. Eastern, Corning was down 13%, Lumentum 14% and CoreWeave 12%. These are that report’s intraday snapshots, not synchronized quotes or closing results.
Corning supplies optical fiber, cable and connections used to move data through AI networks. Its exposure is to the physical links that let computing equipment communicate, rather than memory chips themselves.
Lumentum makes optical and photonic technology, including lasers, modules and optical subsystems used in data-center connections. CoreWeave provides AI cloud computing, including GPU computing, networking and storage used to train and run AI models.
Together, the declines show selling reaching beyond chipmakers into the equipment and computing services around them. Share-price moves alone do not establish that any of these companies lost an order, had a contract canceled or changed its earnings outlook.
What the drop means outside Wall Street
The immediate impact is on the value of shares held directly by investors or through funds that own these companies. The stock-price declines are not measurements of changes in company sales, profits or product demand.
They also do not establish that shoppers will pay less for an SSD, memory card or computer RAM. Retail hardware prices are a separate question from the price investors pay for a company’s shares.
This report describes timestamped market moves during trading on November 5, not the day’s final result, and is not investment advice.
JBizNews Desk | New York
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