
Rocket Lab, Boeing, and Lockheed Martin are the three Defense stocks to watch today, according to MarketBeat’s stock screener tool. Defense stocks are shares of companies that design, manufacture, or provide services and technology for military and national security purposes—such as weapons systems, aircraft, naval vessels, and defense-related cybersecurity. Investors often see them as relatively stable due to long-term government contracts and predictable defense budgets, though their returns can be strongly influenced by geopolitical events, changing military spending, and regulatory factors. These companies had the highest dollar trading volume of any Defense stocks within the last several days.
Rocket Lab (RKLB)
Rocket Lab USA, Inc., a space company, provides launch services and space systems solutions for the space and defense industries. The company provides launch services, spacecraft design services, spacecraft components, spacecraft manufacturing, and other spacecraft and on-orbit management solutions; and constellation management services, as well as designs and manufactures small and medium-class rockets.
Boeing (BA)
The Boeing Company, together with its subsidiaries, designs, develops, manufactures, sells, services, and supports commercial jetliners, military aircraft, satellites, missile defense, human space flight and launch systems, and services worldwide. The company operates through Commercial Airplanes; Defense, Space & Security; and Global Services segments.
Read Our Latest Research Report on BA
Lockheed Martin (LMT)
Lockheed Martin Corporation, a security and aerospace company, engages in the research, design, development, manufacture, integration, and sustainment of technology systems, products, and services worldwide. The company operates through Aeronautics, Missiles and Fire Control, Rotary and Mission Systems, and Space segments.
Read Our Latest Research Report on LMT
Read More
- MarketBeat’s Top Five Stocks to Own in December 2025
- Microsoft May Look Pricey, But Customers Can’t Walk Away
- Oil’s Outlook Looks Ugly—That’s Why These 3 Energy Plays Matter
- This ETF Will Benefit From Americans’ Higher Energy Bills
- From Lagging to Leading: FuelCell Energy’s Strategic Pivot
- Paychex Is Out of Favor—And That’s the Opportunity
