CHART: 40-year cost curve shows copper price rout likely over

A diversified selection of commodity stocks is key.

Amid mounting criticism on the a proposed reform to the country’s foreign-investment law that removes a mining-friendly clause.

In the first quarter 2014, total production was 34.5 million pounds of copper and 566 thousand pounds of molybdenum, a 49% and 59% increase, respectively, since the first quarter 2013.

Mining companies in Zambia use about 68% of the country’s electricity, while less than a quarter of the population has access to it.

Car maker Tesla prefers suppliers in North America for its $5 billion lithium-ion battery "gigafactory" in the southwest US which could provide a boost for Fortune Minerals proposed refinery near Saskatoon .

The aftershock was the strongest of several that have followed Tuesday's massive 8.2-magnitude. Mining operations remain unaffected.

The mining giant believes demand for coal to keep growing over the next 20 years, driven mainly by China and India.

World prices for copper jumped as the quake in the world's No.1 producer raised supply concerns.

Don't hold your breath.