Elon Musk Warns of Rare Earth Magnet Shortage 

“Elon Musk, the chief executive of Tesla, said on Tuesday that China’s halt on exports of certain magnets was affecting his plans to build humanoid robots, in the clearest signal yet that China’s action is beginning to affect big American businesses,” the New York Times reports.

“China this month suspended exports to any country of so-called heavy rare earth metals and magnets made from them, as part of its retaliation for President Trump’s increases in tariffs on U.S. imports of Chinese goods. The Chinese government has stopped allowing shipments until it can devise an export license system.”