Barrick’s quarterly gold and copper output edges higher
Barrick Gold's second-quarter gold output edged up by almost 0.9% from the previous three months.
* Gold tumbles, erasing gains as euro hits 2-year low * Worries about Spain keep euro zone tensions high * US futures volume near 2012 high on month-end trading * Coming up: U.S. March pending home sales Wednesday (Recasts, updates comments, market…
