硅铁期货主力合约跌4%，报5650元/吨

Core Viewpoint - The main focus of the news is the significant decline in the futures price of silicon iron, which dropped by 4% to 5,650 yuan per ton on August 19 [1] Group 1 - Silicon iron futures experienced a notable decrease in price, indicating potential market volatility [1] - The reported price of 5,650 yuan per ton reflects a critical point for investors monitoring the silicon iron market [1]