BOLIVAR HAS EXCEPTIONAL QUARTER WITH 13% INCREASE IN SILVER EQUIVALENT PRODUCTION TORONTO, July 14, 2015 /CNW/ - Sierra Metals Inc. (TSX: SMT) (BVL: SMT) ("Sierra Metals" or "the Company") reports second quarter production results, including record silver equivalent production and tonnage processed, for the three month period ended June 30, 2015
[...]