The Commerce Department on Tuesday released a report requested by President Donald Trump in December 2017, when he asked officials to look into U.S. access to so-called rare earths.
The threat of "weaponizing" rare earths by China means potential sellers of the minerals to the US stand to gain from a tightened international supply and higher prices.
Shares of Delrey Metals surged by 17% on Tuesday morning following positive re-assay results from its Four Corners iron-titanium-vanadium project in Newfoundland.