[Friday night trading: metal in the inner market rose more than 2%. Black generally fell] on April 15, metals generally rose. Among them, Shanghai nickel closed up 2.42%, Shanghai lead rose 1.39%, Shanghai copper rose 0.44%, Shanghai tin fell more than 1%, and Shanghai zinc closed down 0.96%. Black series, only thermal coal, iron ore floating red, closed up 1%, 0.55% respectively. Coking coal fell nearly 2%, stainless steel fell 0.43%, and hot rolling fell 0.12%.