MP Materials Stock Rises, USAR Falls as China Ramps Up U.S. Rare Earths Fears
1. China considers new export license system for rare-earth elements. 2. Restrictions could hinder U.S. defense contractors' access to vital materials. 3. MP Materials signed a deal with the Pentagon, supporting its market position. 4. MP stock rose 311% YTD but fell 18% recently amid trade easing. 5. Investors should monitor ongoing volatility in rare-earth stocks.