Fortuna Silver Mines has reported an 84% fall in net income to US$2.2 million for the first quarter of 2019 from $13.8 million in the same quarter a year ago as sales fell 16% from $70.4 million to $59 million due to lower prices for silver, lead and zinc. Adjusted net income fell 36.3% to $8.4 million from $13.2 million a year ago.