伦敦基本金属多数下跌，LME期镍跌1.96%

Group 1 - The core viewpoint of the article highlights the performance of various base metals on the London Metal Exchange (LME) on February 26, with most metals experiencing a decline except for tin, which saw an increase [1] Group 2 - LME tin rose by 1.28% to $54,385.0 per ton [1] - LME copper decreased by 0.48% to $13,259.0 per ton [1] - LME lead fell by 0.58% to $1,979.0 per ton [1] - LME zinc dropped by 0.65% to $3,366.5 per ton [1] - LME aluminum declined by 0.91% to $3,141.5 per ton [1] - LME nickel experienced a significant drop of 1.96% to $17,730.0 per ton [1]