Trevali stock is up 44% in two weeks as Canadian mine enters commercial production and record output at flagship Peru operation is topped by high-grade find.
Overall, Canadian deal-making in the first half of the year fell in line with the global cooling down trend that has followed the record valuations of 2015.
Choppy seas off the coast of Chile caused widespread delays to copper shipments from the world's top producer in the second half of June, potentially supporting prices in a market grappling with oversupply