农产品加工板块8月19日涨1.24%，一致魔芋领涨，主力资金净流出4.6亿元

Group 1 - The agricultural processing sector increased by 1.24% on August 19, with Yichang Mohu leading the gains [1] - The Shanghai Composite Index closed at 3727.29, down 0.02%, while the Shenzhen Component Index closed at 11821.63, down 0.12% [1] - Key stocks in the agricultural processing sector showed significant gains, with Yichang Mohu rising by 5.23% and closing at 40.47 [1] Group 2 - Major stocks that declined included Zhongliang Technology, which fell by 2.04% to 6.25, and Guangnong Sugar Industry, down 1.36% to 7.96 [2] - The agricultural processing sector experienced a net outflow of 460 million yuan from institutional investors, while retail investors saw a net inflow of 507 million yuan [2][3] - The stock with the highest net inflow from retail investors was Yichang Mohu, with a net inflow of 1390.69 million yuan [3]