TSX-listed Silvercorp Metals, which owns and operates mines in China, on Thursday reported a net income of $8.7-million for the third quarter ended December 31 – representing a 31% year-on-year decline with the company achieving a net income of $12.7-million in the third quarter of 2018. The weaker financial performance was attributed to a 5% decline in sales to $42.4-million, on the back of a decrease in silver, lead and zinc prices and a 36% drop in zinc sales.