Northrop Grumman Corporation (NOC) closed at $589.43 on August 19, 2026, a gain of 3.35% over the prior 24-hour period. The move added to a broader stretch of positive performance for the defense contractor's shares.
Over the past seven days, NOC has risen 2.40%, while the 30-day window tells a more pronounced story, with the stock advancing 12.99% over that span. The month-long rally has contributed to a market capitalization of approximately $81 billion.
The combination of short- and medium-term gains reflects sustained buying interest in the stock across multiple timeframes. The 30-day gain of nearly 13% stands as the most significant move in the measured periods, indicating that upward pressure on the shares predates the most recent session.
Northrop Grumman is one of the largest defense and aerospace companies in the United States. Its market capitalization of $81 billion places it among the more heavily weighted names in the defense sector.



