上期所基本金属期货夜盘收盘涨跌不一，沪镍涨0.66%

Group 1 - The core viewpoint of the news is the mixed performance of basic metal futures on the Shanghai Futures Exchange during the night session on August 12, with some metals experiencing gains while others saw declines [1][2]. Group 2 - Nickel futures increased by 0.66% [1] - Tin futures rose by 0.61% [1] - Stainless steel futures gained 0.46% [1] - Aluminum oxide futures went up by 0.38% [1] - Lead futures slightly increased by 0.03% [1] - Copper futures decreased by 0.14% [1] - Zinc futures fell by 0.24% [1] - Aluminum futures dropped by 0.31% [1]