食品加工板块9月3日跌2%，盖世食品领跌，主力资金净流出1.05亿元

Group 1 - The food processing sector experienced a decline of 2.0% on September 3, with Gais Food leading the drop [1] - The Shanghai Composite Index closed at 3813.56, down 1.16%, while the Shenzhen Component Index closed at 12472.0, down 0.65% [1] - Key individual stock performances in the food processing sector included Qianwei Yangchu with a rise of 4.49% and Xiwang Food with a decline of 2.14% [1] Group 2 - The net outflow of main funds in the food processing sector was 105 million yuan, while retail funds saw a net inflow of 48.05 million yuan [3] - The overall fund flow in the food processing sector indicates a mixed sentiment among different types of investors [3]