TOKYO -- Rare-earth metals were added on Wednesday to Japan's list of industries subject to tougher restrictions on foreign investment, as Tokyo attempts to shield a potential weak point in its supply chains.
Tokyo beefs up economic security for strategically important metals
Recycled cobalt sulfate is seen at an urban mining plant in South Korea. The metal, along with rare earths, will receive more investment scrutiny in Japan © Reuters
TOKYO -- Rare-earth metals were added on Wednesday to Japan's list of industries subject to tougher restrictions on foreign investment, as Tokyo attempts to shield a potential weak point in its supply chains.