African, Chilean copper mines growth lift Glencore Xstrata output by 32%

[caption id="attachment_755455" align="aligncenter" width="600"] Collahuasi mine, in Chile, one of the main drivers of Glencore Xstrata's strong copper performance.[/caption] Commodities giant Glencore Xstrata PLC (LON:GLEN) reported Tuesday a significant output increase across its key commodities, with copper jumping 26% to...