伦敦基本金属全线下跌，LME期锡跌3.70%

Group 1 - The core viewpoint of the article indicates that all base metals in London experienced a decline on February 12, with specific percentage drops noted for each metal [1] Group 2 - LME aluminum fell by 0.18% to $3,097.5 per ton [1] - LME lead decreased by 0.45% to $1,984.0 per ton [1] - LME zinc dropped by 0.73% to $3,381.5 per ton [1] - LME copper saw a decline of 2.36% to $12,855.5 per ton [1] - LME nickel experienced a significant drop of 3.52% to $17,250.0 per ton [1] - LME tin fell by 3.70% to $47,800.0 per ton [1]