国际铜夜盘收涨0.13%，沪铜收涨0.21%

Group 1 - The international copper night market rose by 0.13%, while Shanghai copper increased by 0.21% [1] - Shanghai aluminum fell by 0.35%, and Shanghai zinc decreased by 0.60% [1] - Shanghai lead dropped by 0.38%, whereas Shanghai nickel saw a rise of 0.20% [1] Group 2 - The night market for alumina decreased by 0.07%, and aluminum alloy fell by 0.27% [1] - Stainless steel in the night market declined by 0.49% [1]