MP Materials Gained 230% in 2025. Should You Buy, Sell, or Hold MP Stock for 2026?

MP Materials (MP) is a rare earth materials and magnetics company that owns and operates the Mountain Pass mine in California, the only large-scale rare earth mining and processing site in the Western Hemisphere. The company produces neodymium-praseodymium (NdPr) and other rare earth products used in high‑performance magnets for electric vehicles, wind turbines, robotics, defense systems, and advanced electronics. Additionally, it builds downstream capacity to manufacture metals, alloys, and magnets at its ...