For over two decades, the innovative technology suite has been in use at several NGM sites, including Cortez, Goldstrike and Leeville.

Ruth Crowell said the reason why is the price of gold not higher has to do with a strong US dollar.

However, total assets under management fell slightly by 0.4% to $220 billion due to a lower gold price in the month compared to April.

There is increasing investment in drones, collision avoidance and fatigue detection, according to GlobalData.

The first quarter was propped up by a recovery in the OTC market, WGC data show.

Greenhill & Co. achieved the top position in terms of value by advising on $3.4 billion worth of deals.

“In the last year, energy security has trumped sustainability,” says  Wood Mackenzie.

"Over the long term, increased demand in the face of an uncertain uranium supply may likely support a sustained bull market," says Sprott Asset Management.