S&P Global Ratings revised the outlook for Northrop Grumman to positive. The agency also upgraded outlooks for major U.S. defense contractors Lockheed Martin, General Dynamics, and RTX.

Elevated global defense budgets drove the ratings action. These sustained spending levels bolster financial prospects across the entire defense sector.

The broad upgrades signal a potential structural re-rating for the industry. S&P identifies a durable trend of increased government investment in defense capabilities.

Northrop Grumman's stock price showed no immediate specific reaction to the announcement.