The price of Donald Trump's cryptocurrency has soared after the US president promised to host two special events for its top ...

A single coin can be worth a lot of money -- a pretty penny, one might say -- if it's rare and has enough historical ...

Outside of China, the most influential investor in the world of rare earth elements has to be billionaire Gina Rinehart.

Paper banknotes were phased out decades ago. But if you’ve still got some lying around at home, collecting dust, they could ...