Why MP Materials Stock Soared Today

With shares climbing 113% through the first half of 2025, there are certainly a lot of new investors in rare earths producer MP Materials (MP 44.99%). But investors are sitting up and taking notice of a notable new investor -- Uncle Sam. The company announced a new deal with the United States Department of Defense, and investors are enthusiastically expressing their approval.As of 10:31 a.m. ET, shares of MP Materials have skyrocketed 50.6% higher. Digging into the deets of the new dealIn an effort to exped ...