Ero Copper (NYSE:ERO) reported quarterly earnings of $0.27 per share which missed the analyst consensus estimate of $0.33 by 18.18 percent. This is a 50 percent increase over earnings of $0.18 per share from the same period last year. The company reported quarterly sales of $124.80 million which missed the analyst consensus estimate of $155.25 million by 19.62 percent. This is a 18.63 percent increase over sales of $105.20 million the same period last year.