夜盘开盘，国内期货主力合约几乎全线下跌。焦煤、纯碱、甲醇、低硫燃料油（LU）跌超1%，PX、SC原油、液化石油气（LPG）跌近1%。涨幅方面，沪铅、沪银小幅上涨。

Core Viewpoint - The domestic futures market opened with a nearly universal decline in the main contracts, indicating a bearish sentiment among investors [1] Group 1: Market Performance - The main contracts for coking coal, soda ash, methanol, and low-sulfur fuel oil (LU) fell by over 1% [1] - PX, SC crude oil, and liquefied petroleum gas (LPG) experienced declines close to 1% [1] - In contrast, Shanghai lead and silver saw slight increases [1]