Brazil presents prospectivity mapping for 4 new areas

Investors should worry less about the right balance of specific commodities and more about the right mix of early-stage, development-stage and producing companies.

The company needs a cash injection to counter declining ore grades at its aging mines, as well as increasing costs vs low copper prices.

More than 55% of last year's exploration projects were located in these countries.

The country has identified 50 billion pounds of copper reserves, 12 million ounces of gold, 25,000 ounces of silver and 250 tons of molybdenum.

The historic Rio Tinto copper mine is located in Spain’s region of Andalucia.

Contract security guard was freed early Friday.

Year to date shares of the operator of the giant Oyu Tolgoi copper-gold mine in Mongolia is up 21%.

The positive results triggered the biggest one-day rally for the miner's shares since November.

In this environment, investors should stay cautious and the focus should remain on companies with strong balance sheets, top tier management teams, and projects in safe jurisdictions.