7月12日电，国际铜夜盘收跌0.22%，沪铜收跌0.27%，沪铝收跌0.34%，沪锌收跌0.83%，沪铅收跌0.2%，沪镍收跌0.5%，沪锡收跌0.01%。氧化铝夜盘收跌0.85%。不锈钢夜盘收跌0.71%。

Group 1 - International copper futures fell by 0.22% in the night session [1] - Shanghai copper dropped by 0.27% [1] - Shanghai aluminum decreased by 0.34% [1] - Shanghai zinc declined by 0.83% [1] - Shanghai lead fell by 0.2% [1] - Shanghai nickel decreased by 0.5% [1] - Shanghai tin saw a slight drop of 0.01% [1] - Alumina futures fell by 0.85% in the night session [1] - Stainless steel futures dropped by 0.71% in the night session [1]