Fortuna Silver Mines (NYSE:FSM) reported quarterly earnings of $0.38 per share which missed the analyst consensus estimate of $0.39 by 2.56 percent. This is a 90 percent increase over earnings of $0.20 per share from the same period last year. The company reported quarterly sales of $342.500 million which beat the analyst consensus estimate of $340.000 million by 0.74 percent. This is a 18.06 percent increase over sales of $290.100 million the same period last year.