农产品加工板块9月29日涨0.43%，中粮糖业领涨，主力资金净流出8181.06万元

Group 1 - The agricultural processing sector rose by 0.43% on September 29, with COFCO Sugar leading the gains [1] - The Shanghai Composite Index closed at 3862.53, up 0.9%, while the Shenzhen Component Index closed at 13479.43, up 2.05% [1] - Key stocks in the agricultural processing sector showed varied performance, with COFCO Sugar closing at 16.21, up 1.89%, and other notable stocks like Guotou Zhonglu and Jinlongyu also experiencing gains [1] Group 2 - The agricultural processing sector saw a net outflow of 81.81 million yuan from institutional investors, while retail investors contributed a net inflow of 28.27 million yuan [2] - Major stocks like Jinlongyu and Chenguang Biological experienced significant net inflows from retail investors, despite overall sector outflows [3] - The data indicates a mixed sentiment among different investor types, with institutional investors pulling back while retail investors showed interest in specific stocks [3]