Lockheed Martin on Tuesday forecast it will make less profit than expected in 2025, as the top U.S. defense company grapples with the delayed rollout of upgrades to the F-35 fighter jet that are vital to its bottom line.

Key Takeaways Defense contractors RTX and Lockheed Martin posted differing results and guidance, sending shares in opposite directions.RTX beat profit and sales forecasts, as all three of its units recorded revenue gains.