【夜盘主力合约收盘】6月6日讯，截至2:30收盘，沪金主力合约收跌0.46%，报781元/克，沪银主力合约收涨2.89%，报8715元/千克，SC原油主力合约收涨0.52%，报467元/桶。

Core Viewpoint - The article reports on the closing prices of key commodity futures, indicating mixed performance in the market with gold declining and silver and crude oil increasing [1] Group 1: Gold Market - The main gold futures contract on the Shanghai market closed down by 0.46%, settling at 781 CNY per gram [1] Group 2: Silver Market - The main silver futures contract on the Shanghai market closed up by 2.89%, reaching 8715 CNY per kilogram [1] Group 3: Crude Oil Market - The main crude oil futures contract on the Shanghai market closed up by 0.52%, priced at 467 CNY per barrel [1]