Chinese-owned Peruvian mine inks 15-year transport deal moving 400,000 tonnes per year from January 1 2016 making it the planet's third largest copper mine.
The US Department of Justice is investigating possible price manipulation of gold, silver and crude oil benchmarks by Wall Street financial institutions.
A rights group estimates that thousands of children as young as nine are working in the country's gold mines, violating international and local laws, as well as risking their lives.