Micron and Sandisk surge as AI triggers a memory-chip shortage

What happened

Micron has gained approximately 150% in 2026, while Sandisk shares rose almost 200%, as rising memory prices and demand from artificial intelligence data centers lifted semiconductor stocks. Micron makes DRAM and NAND flash; Sandisk makes NAND flash storage, and demand is outpacing supply.

Confirmed

Global impact / market context

When demand exceeds available memory-chip supply, prices rise, potentially lifting revenue for producers such as Micron and Sandisk. Higher component costs can also pressure device makers, which may face more expensive inputs or have less room to keep prices unchanged.

Analyst inference

The article links memory demand to AI data centers, where processors use high-bandwidth DRAM, a type of memory that moves data quickly. Micron has greater direct exposure to that DRAM demand, while Sandisk’s business is focused on NAND storage, including SSDs.

Confirmed

What to watch

1. Watch whether memory demand continues to exceed supply and prices keep rising; the article says manufacturers are increasing output, which could change that balance. Analyst inference
2. Track whether Micron’s DRAM demand and Sandisk’s NAND storage demand remain strong as manufacturers add memory output, since the firms serve different parts of the market. Analyst inference
3. Observe whether higher memory costs affect device makers, as the article says rising component costs reach products beyond AI data centers. Analyst inference

Evidence

• gurufocus.com