China's dominance in rare earths minerals can cause a shortage for US consumers in everything from cars to TV remotes.

Shares of MP Materials are extending a recent rally into Tuesday as officials from the U.S. and China are in the midst of trade talks, with the importing and exporting of rare earths a key topic.

US-China to resume trade talks in London after Trump-Xi call, with rare-earth minerals and tech curbs at center stage amid cautious investor optimism.