Output at No.1 global copper producer slips slightly in first quarter

[caption id="attachment_784866" align="aligncenter" width="600"] Codelco's new 160,000 tonnes-plus Ministro Hales mine.[/caption] Chile’s Codelco, the world’s top copper producer, said Friday (in Spanish) output dropped slightly in the first quarter and its profit dived as metal prices fell and ore grades...