Vietnamese entrepreneur Luu Anh Tuan was arrested while attempting to transfer rare earth separation technology to the U.S., potentially disrupting China's monopoly.

The U.S. once controlled the market on rare earth minerals, sought after for the production of cell phones, computers, electric and hybrid vehicles, and more. But in the last few decades, China ...

Four major automakers are racing to find workarounds to China’s stranglehold on rare-earth magnets, which they fear could force them to shut down some car production within weeks.