Rio news-Rio expected shortages boost crowd pulling power of copper mines, page-2

HCH need "friends" to assist in its operation getting off the ground in my opinion. CAP/CMP would be under pressure in its IO operations given the price fall....HCH needs to hope it is still passionate about moving into copper, and thus, still prepared to see this through. Depending on how CMP/CAP currently "feel" about the whole iron ore/copper/commodities price downturn, HCH might need to work the relationship even harder to get this over the line. That may very well include re-negotiating the option to "sweeten" the offering to keep CMP engaged.

This all just idle speculation and uninformed opinion but US$725m is a lot of money required to build a NEW copper mining operation but HCH might not have any other option. Time will tell.