China’s Rare Earths Companies Rally After Beijing Tightens Grip

China’s rare earths producers surged on Monday, after the government fleshed out plans for stricter controls on an industry that has played a crucial role in the country’s trade war with the US.

Authorities are pushing for a system to better track all domestic supply, including a requirement to send regular output data to the government, according to a statement Friday on the website of the Ministry of Industry and Information Technology. Tighter regulations on rare earths output have tended to benefit bigger, established players.