miner

China’s new export restrictions on rare earth minerals and lithium-ion batteries boost shares of MP Materials and other miners.

The deal also highlights a challenge to bolstering supplies of the commodity: Many miners determine it is easier and cheaper to buy rather than build mines.

When investors say they own gold, that typically means they hold one of the following assets: physical gold bars or coins; gold exchange-traded funds; gold futures; or shares of gold miners.

London’s miners rose after being pulled up by a tightening copper market and hopes that the industrial metal surges to record highs.

The deal with the Energy Department follows the Defense Department’s investment in rare earth miner and processor MP Materials.