Core Insights - MP Materials Corp has achieved a significant breakthrough due to a $400 million investment from the Pentagon aimed at strengthening the U.S. supply chain for rare earth magnets, leading to a stock price surge of over 50% in one day [3][6] - The Department of Defense is now the largest shareholder of MP Materials, owning approximately 15% of the company's stock, indicating strong governmental support for rare earth independence [4] - The investment includes a 10-year price floor guarantee and a long-term supply contract, providing MP with a strategic advantage in a market largely influenced by China [5] Company Performance - Year-to-date, MP's stock has risen over 180%, reflecting a transformation from a specialized miner to a critical component of U.S. national security [6][7] - The financing will enable MP to complete its new "10X" magnet facility in Texas and increase production at its Mountain Pass mine in California, enhancing its operational capacity [5] Market Reaction - Investors view the Pentagon's investment as a pivotal turning point for MP, prompting analysts to adjust their forecasts in light of the company's new role in the industrial and defense strategy of the U.S. [6][7]