Penny stock Net Savings Link (OTCPK:NSAV) jumps 13% to $0.05 per share, on track for its third day of gains, but still half the price it was on Aug. 6. Since Aug. 19 close, the stock has more than doubled. On Monday, the company said it plans to start an over-the-counter cryptocurrency desk for institutions and high net-worth clients that trade large blocks of crypto. Before the company launched its crypto exchange on Aug. 9, the stock traded at about $0.10. In June, the company said it will acquire a 40% stake in Hong Kong-based Virtual Asset Management.