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

Mitsubishi will contribute an initial $420m (Y61.54bn) for the equity interest at closing, followed by a matching ...

Hudbay Minerals (NYSE:HBM) +13.2% pre-market Wednesday after posting better than expected Q2 adjusted earnings and announcing ...

Deal hands Mitsubishi a 30% stake in Hudbay's Copper World project, sharply reducing its upfront funding needs.

Japan's Mitsubishi Corporation said on Thursday it would spend 600 million dollars to buy a 30 percent stake in a copper mine ...

Mitsubishi Corp. has agreed to pay $600 million for a 30% stake in a proposed US copper project being developed by HudBay ...

Mitsubishi is acquiring a one-third stake in Hudbay Minerals' copper project in Arizona for $600 million, creating a critical metals joint venture together.

Hudbay Minerals said on Wednesday Mitsubishi Corp will buy a 30 per cent stake in its Copper World project in Arizona for ...

VAIL, Ariz. (KGUN) — A legal battle over the controversial Copper World Mine has reignited concern among residents of Sycamore Canyon, a neighborhood perched just below the Santa Rita Mountains.