午盘收盘，国内期货主力合约有涨有跌。SC原油、燃料油涨超7%，低硫燃料油（LU）涨超5%，液化石油气（LPG）、甲醇涨超4%，苯乙烯（EB）、PX、沥青、PTA涨超3%。跌幅方面，纯碱、烧碱跌超2%，工业硅、氧化铝、碳酸锂、玻璃、沪锌、纸浆跌超1%。

Core Viewpoint - Domestic futures main contracts showed mixed performance with significant gains in certain commodities while others experienced declines [1] Group 1: Price Movements - SC crude oil and fuel oil increased by over 7% [1] - Low sulfur fuel oil (LU) rose by more than 5% [1] - Liquefied petroleum gas (LPG) and methanol saw increases exceeding 4% [1] - Styrene (EB), PX, asphalt, and PTA all gained more than 3% [1] Group 2: Declines in Other Commodities - Soda ash and caustic soda fell by over 2% [1] - Industrial silicon, alumina, lithium carbonate, glass, Shanghai zinc, and pulp all decreased by more than 1% [1]