Ero Copper (NYSE:ERO) reported quarterly earnings of $0.69 per share which beat the analyst consensus estimate of $0.60 by 15 percent. This is a 97.14 percent increase over earnings of $0.35 per share from the same period last year. The company reported quarterly sales of $263.200 million which beat the analyst consensus estimate of $256.900 million by 2.45 percent. This is a 110.39 percent increase over sales of $125.100 million the same period last year.