国内期货市场收盘涨跌不一，沪锡涨超8%

Market Performance - The domestic futures market closed with mixed results, with Shanghai tin rising over 8% [1] - Platinum increased by more than 5%, while silicon iron rose over 3% [1] - Palladium and manganese silicon both saw gains exceeding 2% [1] Declines - On the downside, alumina fell by more than 3% [1] - Propylene, methanol, plastic, and PVC all experienced declines of over 2% [1]