After a volatile fall season, copper and silver, the industrial metals closely watched by markets as barometers of global economic activity, had a strong start to the new year. The manufacturing staples have advanced by 8% and 6% respectively since Jan. 1, but can they maintain the momentum? Presented by @cmegroup https://www.cmegroup.com/openmarkets/quicktake-by-bloomberg.html?utm_source=youtube&utm_medium=paid_social&utm_campaign=quicktake_evergreen&utm_content=more_insight