Rare earth minerals close up. Key Points Despite seeing a 15% decline in revenue, MP Materials soared after its Q3 earnings release. MP exceeded production guidance, an important step in achieving its long-term objectives. The company has made significant progress on its plan to become a vertically integrated producer of permanent magnets. Interested in MP Materials Corp.? Here are five stocks we like better. MP Materials (NYSE: MP) has gone on quite a wild ride over the past month. Shares peaked ...