上期所基本金属期货夜盘收盘涨跌不一，沪锡涨2.62%

Group 1 - The core viewpoint of the article highlights the mixed performance of basic metal futures on the Shanghai Futures Exchange during the night session on September 30, with some metals experiencing gains while others saw declines [1][2]. Group 2 - Shanghai tin rose by 2.62% [1] - Shanghai copper increased by 1.96% [1] - Shanghai zinc gained 1.22% [1] - Shanghai nickel went up by 0.78% [1] - Shanghai aluminum saw a rise of 0.31% [1] - Stainless steel increased by 0.20% [1] - Shanghai lead decreased by 0.09% [1] - Alumina fell by 0.52% [1]