午盘收盘，国内期货主力合约涨多跌少。焦煤、多晶硅涨超3%，工业硅、20号胶、沪镍、橡胶涨超2%，沪锡、焦炭、烧碱涨近2%；跌幅方面，菜粕跌近3%，豆粕跌超2%，豆二、SC原油、花生跌超1%。

Group 1 - Domestic futures main contracts showed a mixed performance with more gains than losses at midday [1] - Coking coal and polysilicon prices increased by over 3%, while industrial silicon, No. 20 rubber, Shanghai nickel, and rubber rose by more than 2% [1] - In terms of declines, soybean meal fell by over 2%, while rapeseed meal dropped nearly 3%, and both No. 2 soybean and SC crude oil saw declines exceeding 1% [1]