午盘收盘，国内期货主力合约涨跌不一。工业硅、纸浆涨超2%，沪银、苯乙烯（EB）涨超1.5%。跌幅方面，苹果跌超3%，集运欧线、多晶硅跌超2%。

Group 1 - Domestic futures main contracts showed mixed performance at midday, with industrial silicon and pulp rising over 2% [1] - Silver and styrene (EB) increased by more than 1.5% [1] - In contrast, apple prices fell by over 3%, while shipping on the European route and polysilicon dropped more than 2% [1]