As the week ended, the equity markets sold off over trade issues with China. That country imposed a new “rare earths” export control policy where foreign entities must now obtain a license to export products that contain even a modicum of such rare earths. China mines 70% of the world’s supply and rare earths are critical for high tech industries including defense, automobiles, and the chip industry itself. As of this writing, President Trump responded, saying he would impose a 100% tariff on Chinese import ...