国际铜夜盘收涨0.01%，沪铝收跌0.46%

Group 1 - International copper futures rose by 0.01% in the night session, while Shanghai copper fell by 0.03% [1] - Shanghai aluminum decreased by 0.46%, and Shanghai zinc dropped by 0.48% [1] - Shanghai lead increased by 0.40%, while Shanghai nickel declined by 0.31% [1] Group 2 - Night session alumina rose by 0.94%, whereas aluminum alloy fell by 0.43% [1] - Stainless steel in the night session decreased by 0.20% [1]