Key Points Good news for China-U.S. trade policy has been bad news for MP Materials. The stock is down about 35% from recent highs, despite no change in its fundamental business. For growth investors, MP has plenty of potential -- and risk -- to become the U.S.'s go-to for rare earth metals. 10 stocks we like better than MP Materials › MP Materials (NYSE: MP) sits on one of the most strategically important patches of earth in the U.S.: the Mountain Pass rare-earth mine in California. It's the onl ...