Micron, SanDisk Shares Drop as AI Rally Pauses

Shares of Micron Technology and SanDisk fell in recent trading after investors reduced exposure to AI-focused memory and storage stocks, prompting profit-taking and a rotation away from semiconductor and storage names.

Momentum slowed among companies that supply DRAM and NAND flash for data centers, and traders pared positions after a period in which expectations about AI model deployment had boosted valuations across the sector.

Investors had pushed Micron and flash-memory-related stocks higher on the view that large language models and other AI workloads require greater memory capacity and faster storage, which could increase demand for DRAM, NAND and high-performance SSDs. Traders reduced positions after some company updates and signs of softer enterprise ordering, while broader market volatility and rising government bond yields reduced appetite for concentrated sector exposure.

The pullback affected firms at multiple points in the memory supply chain. Micron, a U.S.-based maker of DRAM and NAND used in servers and client devices, is widely watched for demand trends. SanDisk, the flash-memory brand within Western Digital, had benefited from expectations of stronger NAND demand for data centers and edge storage.

Market participants cited profit-taking, risk management and reassessments of near-term demand when exiting positions. Inventory cycles in the semiconductor industry can amplify price swings: a rapid increase in orders can raise manufacturers’ outlooks, while any slowdown in orders can prompt quick reversals in sentiment. Traders factored in macroeconomic indicators and capital spending trends among cloud providers and large enterprises.

The decline in memory and storage stocks extended to related exchange-traded products and smaller suppliers that had posted gains during the early AI-led rally. The group’s volatility reflected concentrated gains among a subset of technology names and the sensitivity of chipmakers’ shares to short-term shifts in demand expectations.

Micron and Western Digital have announced investments in higher-capacity memory and advanced packaging intended for longer-term AI deployments. The timing of revenue from those investments will depend on customer procurement cycles and inventory decisions by large cloud operators and enterprise buyers.

Micron Technology makes DRAM and NAND products for servers, personal computers and mobile devices. SanDisk, acquired by Western Digital in 2016, continues as a brand within Western Digital’s lineup of NAND-based products. Both companies have been positioned by investors as potential beneficiaries of growing AI workloads that increase memory bandwidth and storage needs.