伦敦基本金属多数下跌，LME期锡跌3.12%

Group 1 - The core viewpoint of the article highlights the fluctuations in the London Metal Exchange (LME) prices for various metals, with most showing a downward trend except for nickel, which experienced a slight increase [1] Group 2 - LME nickel rose by 0.92% to $17,140.0 per ton [1] - LME lead decreased by 0.31% to $1,954.0 per ton [1] - LME copper fell by 0.43% to $12,826.0 per ton [1] - LME aluminum dropped by 1.12% to $3,043.0 per ton [1] - LME zinc declined by 1.27% to $3,295.0 per ton [1] - LME tin saw a significant decrease of 3.12%, reaching $45,245.0 per ton [1]