Country's copper mining industry, the world's largest, saw a 17% drop in its production costs.

The world-leading copper industry may see investment lag for at least two years.

Workers said will push forward with the nearly month-long strike that has shut down the mine in Chile.

Torex poured 131,790 oz. gold at all-in sustaining costs of $877 per oz. at its El Limon Guajes mine in Guerrero state in Q3.

The question for the market is whether the seeming return of balance between supply and demand is enough to maintain prices at their current levels.

Escondida saw production drop off by 6% year-on-year, to 94,100 tonnes.