The Peruvian miner took advantage of stronger base metals prices, while cost-cutting efforts also helped to counter lower zinc and silver production.
Canadian exploration companies provide updates on financing.
The latest news from junior mining companies operating in Mexico, Ecuador and Chile.
The Brazilian steelmaker, which invested US$232mn in the new plant, sees Argentina as a strategic market.
In 2016 the country recycled 280,000t of aluminum beverage cans out of the 286,600t available in the market.
The Canadian miner has built up its presence in Mexico to become one of the country's biggest and lowest cost gold producers, with exploration assets offering the potential for long-term growth.