Micron Technology, Inc. (MU) closed at $1,015.38 on September 19, 2026, marking a 3.87% gain over the prior 24-hour period. The move pushed the chipmaker's market capitalization to $1,103.98 billion.
The single-session advance builds on a broader stretch of strength for the stock. MU has risen 4.15% over the past seven days and 8.33% over the trailing 30-day period, reflecting sustained buying pressure across multiple timeframes.
The combination of near-term and longer-term gains places Micron among the notable performers in its sector over the past month. The company's market capitalization above $1.1 trillion underscores its standing as one of the largest semiconductor firms by valuation.
No corporate announcements or earnings events were cited in connection with the session's move. The price and capitalization figures reflect market data as of the September 19, 2026 close.
