Lockheed Martin is a leading global security and aerospace company that designs, develops, manufactures, and integrates advanced technology systems and products for defense, space, and civil government applications. The company's key products and services include fighter jets, helicopters, satellites, missile defense systems, and cybersecurity solutions. As a major player in the defense industry, Lockheed Martin plays a critical role in supporting national security and advancing technological innovation.
S&P 500 closing prices, top movers, and sector performance — delivered daily.