菜粕主力合约日内跌4%，现报2431元/吨

Core Viewpoint - The main contract for soybean meal experienced a significant decline of 4% on September 23, with the current price reported at 2431 yuan per ton [1]. Group 1 - The soybean meal main contract dropped by 4% in a single day [1]. - The current trading price of soybean meal is 2431 yuan per ton [1].