早盘收盘，国内期货主力合约多数上涨。铝合金涨超4%，苯乙烯（EB）涨超3%，20号胶（NR）涨超2%。跌幅方面，沪锌跌超1%，不锈钢（SS）、沪镍跌近1%。

Group 1 - The domestic futures market saw most of the main contracts rise in early trading, with aluminum alloy increasing by over 4% [1] - Styrene (EB) rose by more than 3%, while 20 rubber (NR) increased by over 2% [1] - On the downside, Shanghai zinc fell by more than 1%, and both stainless steel (SS) and Shanghai nickel dropped nearly 1% [1]