TORONTO--(BUSINESS WIRE)-- Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) ("Sierra Metals" or "the Company") today reported revenue of $79.4 million and an adjusted EBITDA of $37.7 million on the throughput of 787,534 tonnes and metal production of 24.8 million copper equivalent pounds for the three-month period ended June 30, 2021. The Company saw increased metals production of all individual metals except copper in Q2 2021. However, using the formula below to calculate copper equivalent, the increased copper price lowers the total copper equivalent pounds produced. Read More >>