夜盘开盘，国内期货主力合约涨跌不一，焦煤涨超2%，沪锡涨超1%。下跌方面，氧化铝跌近2%，纯碱、玻璃跌超1%。

Group 1 - The domestic futures market opened with mixed performance among the main contracts, with coking coal rising over 2% and Shanghai tin increasing more than 1% [1] - On the downside, alumina fell nearly 2%, while both soda ash and glass dropped over 1% [1]