Copper lures buyers as New York futures hover above $4/lb
Copper futures edged higher in London and New York as tentative signs of buying interest emerged following a string of losses.
Four miners were killed when a coal mine collapsed in the northern Mexican state of Coahuila on Friday, a senior government official said.
Labor Minister Javier Lozano said in a Twitter message the fourth body was recovered late on Friday and an extraordinary inspection of the mine was underway.
