The smelter in Germany halted production in 2022 because of surging power prices after Russia invaded Ukraine.

Ken Armstrong, a non-executive director, will step in as interim CEO.

The world's largest aluminum producer outside China reported an 84.3% slump in its annual profit on Friday.

Dealers say disruptions would further erode the competitive advantage of the centuries-old diamond trade.

Environmental groups have long criticized the environmental impact of the open-pit mine, and filed several lawsuits aimed at halting its operations.

The hedge fund also recommended increasing dividends by discontinuing share buybacks and divesting a minority stake in Glencore's lucrative trading division.

Net bullion imports, which peaked at nearly $5 billion a year ago, declined for a fifth month to reach $936 million in January.

The LME said that low carbon nickel could already be traded on its partner MetalsHub's system.