Pentagon to become largest shareholder in rare earth miner MP Materials; shares surge 50%
- The Defense Department will buy $400 million of preferred stock in MP Materials.
- MP Materials owns the only operational rare earth mine in the U.S. at Mountain Pass, California.
- It will build a second magnet manufacturing facility in the U.S. with the support of the Pentagon.
- Rare earths are key components in a range of military weapons systems.
將建的第二家工廠應該是在
— U.S. Department of Energy (@ENERGY) July 9, 2025