Company posted a half-yearly loss attributable to shareholders of $158 million, compared to an $81 million loss reported last year.

New technology makes it possible to extract copper from low-grade primary sulfides like chalcopyrite, CEO says.

Companies will jointly look for African mining projects to explore, develop or acquire.

The London-listed miner, which mines in Kazakstan, has largely managed to avoid massive disruptions this year despite coronavirus restrictions.