The net proceeds will be used by Hudbay to accelerate mine pre-stripping activities and mill optimization initiatives at Copper Mountain.

Rounding out the top five were Nevada, Saskatchewan, Quebec and Western Australia.

Making bullion less attractive, US business activity accelerated to its highest level in over two years in May.

The Pentagon will explore the feasibility of refining ocean-floor minerals in the U.S., reports the Wall Street Journal.

A dollar invested in gold 51 years ago is now worth $2,314, $172 more than the return pegged to the Bloomberg Treasury index.

Weak spot demand, robust imports and rising domestic output have combined to keep China's exchange inventories high.

Its Copper Creek project in Arizona is labelled as one of the largest undeveloped copper projects in the US.