Key Points China's control over rare-earth elements is creating a major supply risk for the U.S. MP Materials recently secured a major, complex deal with the U.S. Department of Defense. The stock looks expensive today, but government backing and strong magnet demand could justify its valuation. 10 stocks we like better than MP Materials › China is once again turning the screws on those who want rare-earth metals. Over the last two weeks, Beijing has expanded export controls on five new rare-eart ...