SMM

SMM March 18th: On March 18th, the opening price of the main Shanghai nickel contract was 142,030 yuan/ton, and the closing price was 139,950 yuan/ton, a decrease of 1,920 yuan/ton from the closing price of the previous trading day. Intraday trading strengthened compared to the previous trading day, with an increase of 50,346 lots in volume and an increase in open interest of 2,737 lots...