国内期货夜盘开盘多数下跌，沪金跌0.33%，沪银跌2.28%

Group 1 - The domestic futures night market opened with most contracts declining, indicating a bearish trend in the market [1] - Gold futures fell by 0.33%, silver futures decreased by 2.28%, and copper futures dropped by 1.79%, reflecting a general downturn in precious and industrial metals [1] - Iron ore saw a slight decline of 0.51%, while焦煤 (coking coal) experienced an increase of nearly 1%, suggesting mixed performance within the commodities sector [1] Group 2 - Glass futures declined by 1.04%, and crude oil futures fell by 2.08%, indicating a negative sentiment in the energy and materials markets [1]