Corning Incorporated (GLW) closed at $164.23 on October 3, 2026, marking a 2.33% increase over the prior 24-hour period. The move extended a broader rally that has lifted the stock 4.81% over the past seven days.
Over the trailing 30-day period, GLW has advanced 13.91%, reflecting sustained buying pressure in the specialty glass and optical fiber manufacturer. The company's market capitalization stood at $138.18 billion as of the close.
The 30-day performance represents one of the more notable runs for the stock in recent weeks, with each successive timeframe showing accelerating gains from the monthly to the weekly to the daily level. Trading activity reflected continued interest in the name across the measured periods.
Corning operates across multiple segments including optical communications, display technologies, and environmental technologies. The latest price and market cap figures place GLW among the larger industrial and materials names tracked by major market indexes.
