Micron Technology (MU) shares are down about 3% in Tuesday trading (April 7, 2026) as the market continues to reprice the company’s sharply higher spending plans. The key overhang remains Micron’s outlook for fiscal 2026 capital expenditures to be above $25 billion, a notable step-up that investors are treating as a near-term cash-flow headwind even as the company is posting AI-driven strength.

The selling pressure is also being reinforced by a cautious tone across memory and semiconductor names after renewed debate about whether AI infrastructure growth will require as much memory as previously assumed. Recent attention has centered on Google’s TurboQuant research, which claims significant reductions in KV-cache memory needs for large language models—an idea that has weighed on memory-linked equities despite Micron’s upbeat fundamentals.

What to watch next is whether Micron can keep converting the AI memory upcycle into sustained free cash flow while executing a heavier capex ramp, and whether management provides clearer guardrails on returns from the incremental spend. Traders will also be focused on broader semiconductor sentiment and any additional signals on HBM competitive dynamics, which can quickly shift expectations embedded in a stock that has seen unusually sharp moves around recent catalysts.