午盘收盘，国内期货主力合约涨多跌少，玻璃涨超8%，锰硅、碳酸锂、焦煤、硅铁涨停，纯碱涨超5%，PVC涨超3%；跌幅方面，集运欧线、多晶硅跌超2%。

Core Viewpoint - Domestic futures main contracts showed a mixed performance with significant gains in certain commodities, indicating a bullish trend in specific sectors [1] Group 1: Commodity Performance - Glass prices surged over 8%, reflecting strong demand or supply constraints in the market [1] - Manganese silicon, lithium carbonate, coking coal, and silicon iron reached their price limits, indicating heightened trading activity and potential supply issues [1] - Soda ash increased by more than 5%, suggesting positive market sentiment or increased consumption [1] - PVC saw an increase of over 3%, which may indicate a recovery in construction or manufacturing sectors [1] Group 2: Declining Commodities - The shipping index for Europe experienced a decline of over 2%, which could signal weakening demand or increased shipping capacity [1] - Polycrystalline silicon also fell by more than 2%, potentially reflecting oversupply or reduced demand in the solar industry [1]