沪金、沪银等期货：10月21日涨跌不一

Core Insights - The article reports on the price movements of various commodities on October 21, highlighting a decline in gold and silver prices, while iron ore and crude oil saw slight increases [1] Group 1: Commodity Price Movements - Shanghai gold decreased by 2.89% [1] - Shanghai silver fell by 3.89% [1] - Iron ore increased by 0.46% [1] - Coking coal dropped by over 1% [1] - Crude oil rose by 1.19% [1] - Fuel oil increased by 1.06% [1] - Rubber saw a rise of 0.8% [1]