The seeds of Tuesday's 4.6 percent copper slump -- the sharpest in almost three years -- were planted in a scarcely noted non-event earlier this month.
The world’s No.2 gold miner is also planning to boost dividend by at least 50% next year, based on balance sheet improvements and the performance of its gold mines.
After pumping billions into the Indonesian mine for almost 25 years, Rio might be able to see a decent return as the country’s government plans to acquire the miner’s 40% stake in the coveted operation.
Glencore has increased production of the metals used to make electric car batteries faster than its major mining rivals, according to an industry-wide analysis that shows the scale of a strategy that has big prospective risks and rewards.