Micron Technology Inc. (NASDAQ: MU) shares surged more than 5% in recent trading, closing at $426.13 on March 13, 2026, after a strong session that saw the stock gain $20.78 or 5.13% amid continued enthusiasm for its role in supplying high-bandwidth memory (HBM) critical to artificial intelligence applications.
The rally pushed Micron's market capitalization to approximately $479 billion to $477 billion, depending on intraday fluctuations, with pre-market activity on March 16 showing further gains to around $445.69 to $445.99, up another 4.5% to 4.7% in early trading. Volume on the March 13 session reached nearly 39 million shares, well above average, reflecting heightened investor interest.
