农化制品板块8月29日涨1.07%，云图控股领涨，主力资金净流出3.55亿元

Group 1 - The agricultural chemical sector increased by 1.07% on August 29, with Yuntu Holdings leading the gains [1] - The Shanghai Composite Index closed at 3857.93, up 0.37%, while the Shenzhen Component Index closed at 12696.15, up 0.99% [1] - Key stocks in the agricultural chemical sector showed significant price increases, with Yuntu Holdings rising by 3.88% to a closing price of 11.52 [1] Group 2 - The agricultural chemical sector experienced a net outflow of 355 million yuan from institutional investors, while retail investors saw a net inflow of 361 million yuan [2] - Major stocks like Salt Lake Co. and Baiao Chemical had varying net inflows and outflows from different investor types, indicating mixed investor sentiment [3] - Salt Lake Co. had a net inflow of 98.03 million yuan from institutional investors, while it faced a net outflow of 99.10 million yuan from retail investors [3]