Glencore, which owns approximately 86.3% of Katanga, had agreed to swap $5.8 billion in debt for equity, which will raise its stake further in the firm.

UK judge ruling bolsters the Serious Fraud Office in one of its longest-running and most sensitive investigations

Russia's Nornickel produces about 5,000 tonnes of cobalt a year as a byproduct of nickel.

A new resource estimate for Iron Creek is expected before the end of the year.

Prices are now down 60% from their spring 2018 peak.

Plans are underway for new drilling at Castle East to follow up on the high-grade potential of this area.