上期所基本金属期货夜盘收盘涨跌不一，不锈钢涨0.19%

Group 1 - The core viewpoint of the article indicates that the futures market for basic metals on the Shanghai Futures Exchange experienced mixed results during the night session on September 23, with some metals rising while others fell [1][2]. Group 2 - Stainless steel increased by 0.19% [1] - Zinc rose by 0.18% [1] - Lead saw a slight increase of 0.03% [1] - Copper experienced a minor decline of 0.02% [1] - Nickel decreased by 0.19% [1] - Aluminum fell by 0.26% [1] - Tin dropped by 0.28% [1] - Alumina saw a significant decrease of 0.95% [1]