Ero Copper (NYSE:ERO) reported quarterly earnings of $0.83 per share which beat the analyst consensus estimate of $0.78 by 6.41 percent. This is a 80.43 percent increase over earnings of $0.46 per share from the same period last year. The company reported quarterly sales of $284.300 million which beat the analyst consensus estimate of $280.500 million by 1.35 percent. This is a 73.87 percent increase over sales of $163.510 million the same period last year.