Nexa Resources Atacocha S.A.A. Announced earnings results for the full year ended December 31, 2020. For the full year, the company announced sales was USD 55.527 million compared to USD 95.781 million a year ago. Operating loss was USD 54.783 million compared to USD 23.421 million a year ago. Net loss was USD 75.151 million compared to USD 20.721 million a year ago.