Hudbay Minerals secures $600M from Mitsubishi for a 30% stake in its Copper World project, slashing its upfront costs and boosting long-term growth plans.

The Copper World mining project south of Tucson reaped a big financial boost Wednesday: Japan-based Mitsubishi Corp. will ...

Major trading house Mitsubishi Corp. on Thursday announced it will invest about $600 million (about ¥88 billion) to acquire a ...

Consultants for Copper World delivered a harsh response to an April memo blaming water quality degradation on the mining ...