伦铝本周累跌超2.1%，伦锌跌1.6%，伦镍跌超2.3%

Group 1: LME Copper and Aluminum - LME copper closed down by $57, settling at $9,645 per ton [1] - LME aluminum decreased by $14, closing at $2,503 per ton, with a weekly increase of over 2.16% [1] Group 2: LME Zinc and Lead - LME zinc fell by $20, ending at $2,623 per ton, with a weekly decline of over 1.61% [2] - LME lead decreased by $6, closing at $1,990 per ton [3] Group 3: LME Nickel and Tin - LME nickel dropped by $14, settling at $15,128 per ton, with a weekly decline of approximately 2.32% [3] - LME tin increased by $50, closing at $32,694 per ton [4] Group 4: LME Cobalt - LME cobalt remained unchanged, closing at $33,335 per ton [5]