农化制品板块8月12日跌0.3%，丰山集团领跌，主力资金净流出5.31亿元

Market Overview - The agricultural chemical sector experienced a decline of 0.3% on August 12, with Fengshan Group leading the losses [1] - The Shanghai Composite Index closed at 3665.92, up 0.5%, while the Shenzhen Component Index closed at 11351.63, up 0.53% [1] Individual Stock Performance - Guoguang Co. (002749) closed at 15.88, up 2.98% with a trading volume of 53,500 shares and a turnover of 84.32 million yuan [1] - Runfeng Co. (301035) closed at 67.50, up 1.67% with a trading volume of 13,400 shares and a turnover of 89.47 million yuan [1] - Yuntianhua (600096) closed at 25.30, up 1.61% with a trading volume of 271,900 shares and a turnover of 687 million yuan [1] - Fengshan Group (603810) closed at 16.65, down 4.37% with a trading volume of 43,800 shares and a turnover of 73.67 million yuan [2] Capital Flow Analysis - The agricultural chemical sector saw a net outflow of 531 million yuan from institutional investors, while retail investors contributed a net inflow of 231 million yuan [2] - Yuntianhua experienced a net outflow of 38.85 million yuan from institutional investors, while retail investors had a net inflow of 42.35 million yuan [3] - Fengshan Group had a net inflow of 7.39 million yuan from institutional investors, but a significant net outflow of 18.66 million yuan from retail investors [3]