国际铜夜盘收跌0.07%，沪铜收跌0.13%

Group 1 - International copper futures fell by 0.07% in the night session, while Shanghai copper dropped by 0.13% [1] - Shanghai aluminum remained flat, and Shanghai zinc increased by 0.12% [1] - Shanghai lead rose by 0.18%, and Shanghai nickel saw a significant increase of 1.88% [1] - Shanghai tin also experienced a rise of 1.06% [1] Group 2 - Alumina futures declined by 1.54%, and aluminum alloy prices decreased by 0.18% [1] - Stainless steel futures increased by 0.40% in the night session [1]