饲料板块10月30日跌0.27%，天康生物领跌，主力资金净流出714.5万元

Market Overview - The feed sector experienced a decline of 0.27% on October 30, with TianKang Biological leading the drop [1] - The Shanghai Composite Index closed at 3986.9, down 0.73%, while the Shenzhen Component Index closed at 13532.13, down 1.16% [1] Individual Stock Performance - JinXinNong (002548) saw a closing price of 4.97, with an increase of 3.76% and a trading volume of 597,100 shares, amounting to a transaction value of 296 million yuan [1] - TianKang Biological (002100) closed at 7.41, down 5.00%, with a trading volume of 399,000 shares and a transaction value of 300 million yuan [2] - HaiDa Group (002311) closed at 58.03, up 1.13%, with a transaction value of 601 million yuan [1] Capital Flow Analysis - The feed sector experienced a net outflow of 7.145 million yuan from main funds, while retail investors saw a net outflow of 27.133 million yuan [2] - Speculative funds had a net inflow of 34.278 million yuan [2] Detailed Capital Flow for Selected Stocks - JinXinNong (002548) had a main fund net inflow of 36.412 million yuan, while retail investors experienced a net outflow of 26.058 million yuan [3] - TianKang Biological (002100) reported a main fund net inflow of 13.751 million yuan, with a retail net outflow of 32.292 million yuan [3] - HaiDa Group (002311) had a main fund net inflow of 12.416 million yuan, while retail investors saw a net outflow of 17.449 million yuan [3]