Nexa Resources Atacocha S.A.A. Announced earnings results for the first quarter ended March 31, 2021. For the first quarter, the company announced sales was USD 11.424 million compared to USD 13.019 million a year ago. Operating loss was USD 2.110 million compared to USD 36.791 million a year ago. Net loss was USD 2.383 million compared to USD 55.637 million a year ago.