Shares of U.S.-listed companies related to the rare earth supply chain climbed on Monday as investors continued to weigh the impact of export restrictions on domestic producers. Rare earths are minerals that are essential to many aspects of modern life, particularly for the technology sector and the energy transition, as they are used in everything from semiconductors, fighter jets to the motors of electric vehicles. U.S. Treasury Secretary Scott Bessent told CNBC in an exclusive interview last