农化制品板块9月22日跌1.87%，云图控股领跌，主力资金净流出2.2亿元

Market Overview - The agricultural chemical sector experienced a decline of 1.87% on September 22, with Yuntu Holdings leading the drop [1] - The Shanghai Composite Index closed at 3828.58, up 0.22%, while the Shenzhen Component Index closed at 13157.97, up 0.67% [1] Individual Stock Performance - Lanfeng Biochemical (002513) saw a significant increase of 9.94%, closing at 5.86, with a trading volume of 259,100 shares and a turnover of 147 million yuan [1] - Yuntu Holdings (002539) dropped by 6.48%, closing at 10.11, with a trading volume of 440,200 shares and a turnover of 449 million yuan [2] - Other notable performers include: - Fengshan Group (603810) down 5.05% to 15.22 [2] - Bai'ao Chemical (603360) down 4.79% to 25.64 [2] Capital Flow Analysis - The agricultural chemical sector saw a net outflow of 220 million yuan from institutional investors, while retail investors had a net inflow of 272 million yuan [2] - The capital flow for key stocks includes: - Lanfeng Biochemical had a net outflow of 38.44 million yuan from institutional investors [3] - Hualu Hengsheng (600426) experienced a net inflow of 36.21 million yuan from institutional investors [3] - Yuntu Holdings had a net outflow of 42.33 million yuan from speculative funds [3]