TORONTO--( BUSINESS WIRE )--Sierra Metals Inc. (TSX: SMT | OTCQX: SMTSF | BVL: SMT) ("Sierra Metals" or "the Company") announces the filing at the Lima Stock Exchange ("BVL") by its subsidiary, Sociedad Minera Corona S.A. ("Corona") of its unaudited Financial Statements and the Management's Discussion and Analysis ("MD&A") for the first quarter of 2025 ("Q1 2025"). The Company holds an 81.84% interest in Corona. The unaudited Financial Statements and MD&A can be viewed at: SMV -- Superint...