China must resume stable rare earth exports: UN

According to the USGS, gallium prices could increase by more than 150% and germanium prices by 26% in the event of a total ban.

Located in the north of the Siberian region of Yakutia, Tomtor is a key project in Russia's plans to boost output of rare earth.

Gold will rally to $2,900 an ounce by the end of next year, according to UBS Group.

China's announcement on Friday may have major long-term ramifications for the global aluminum supply chain, writes Andy Home.