Fortuna Silver Mines (NYSE:FSM) reported quarterly earnings of $0.25 per share which missed the analyst consensus estimate of $0.38 by 34.21 percent. This is a 66.67 percent increase over earnings of $0.15 per share from the same period last year. The company reported quarterly sales of $318.400 million which missed the analyst consensus estimate of $325.000 million by 2.03 percent. This is a 38.18 percent increase over sales of $230.419 million the same period last year.