沪银跌超7%，沪金跌超2%丨金银价格

Group 1 - The core viewpoint of the articles indicates a significant decline in domestic commodity futures, with most commodities experiencing a drop, particularly silver and crude oil [1] - As of the latest report, silver has fallen over 7%, while crude oil and tin have decreased by more than 4%, and gold and copper have dropped over 2% [1] - In contrast, some commodities like caustic soda and soybean have seen increases, with caustic soda rising over 3% and soybean up over 2% [1] Group 2 - International precious metal prices have sharply declined, with spot gold falling below the $4900 mark, representing a 3.27% decrease, while spot silver has dropped by 10.84% [3]