A months-long wage negotiation at the world’s biggest copper mine is heading into a tense finale over the coming days.

“Dr. Copper is supposed to give a good reading of how the economy is doing, and I think we are in limbo phase right now,” said WisdomTree analyst Nitesh Shah.

More than 2,000 union members rejected owner BHP Group Ltd's latest contract offer at the end of last week.

A new administration led by Pedro Castillo, an elementary school teacher, is seeking to increase taxes on miners to fund social programs.

It joins rivals Rio Tinto and Anglo American in declaring bonanza payouts after record half-year profits boosted by commodities rally.

The graphic takes a look at the world’s largest mining companies by market capitalization and the metals they produce.

Smaller miners with annual production under 100,000 tonnes in particular warned that they would be disproportionately impacted given their higher operating costs.