MP Materials Corp. supplies rare earths used in magnets; current news ties to U.S.-China tech tensions affecting the sector.
China has placed 10 US companies, including rare‑earth producers MP Materials and USA Rare Earth and several drone makers, on its export control list, barring Chinese companies from selling dual‑use items to them. Beijing has also excluded 46 US firms from government procurement, and has framed the moves as retaliation for a recent Pentagon blacklist of Chinese companies.