 TORONTO--BUSINESS WIRE--- SMT Q2021--Sierra Metals Inc. TSX:SMT BVL:SMT NYSE AMERICAN:SMTS Sierra Metals or the Company is reporting second-quarter 2021 production results, as the Company continues to deal with the effect of the COVID-19 pandemic at its operations. Results are from Sierra Metals three underground mines in Latin America: The Yauricocha polymetallic mine in Peru, and the Bolivar copper and Cusi silver Mines in Mexico. Second Quarter 2021 Production Highlights Copper production 