Micron (MU) stock jumps before the bell as TSMC outlook sparks chip rally
New York, Jan 15, 2026, 07:30 (EST) — Premarket Micron Technology shares climbed 3.1% to $343.67 in premarket trade Thursday, rebounding after a 1.4% drop the day before. (Public) This move is significant because Micron has turned into a quick play on the memory shortage fueling the AI surge. High-bandwidth memory (HBM) — the stacked DRAM positioned near AI chips…