Copper output to spike, but surplus to remain 'very modest'

[caption id="attachment_754251" align="aligncenter" width="580"] Source: Codelco[/caption] The largest of 10 growth projects around the world, Codelco's Ministro Hales will by itself add 170,000 tonnes to global copper supply in 2014 The news from the metals world's number one annual gathering...