Group 1 - The latest stock price of Yisheng Co. is 9.06 yuan, with an increase of 0.02 yuan compared to the previous trading day. The intraday high reached 9.13 yuan, while the low was 9.01 yuan, with a total transaction volume of 1.22 billion yuan [1] - Yisheng Co. specializes in the breeding and sales of breeding chickens and pigs, with main products including parent generation meat chickens and commercial meat chicken seedlings. On August 21, the company announced that its "Yisheng 817" meat chicken breeding system, developed in collaboration with the Shandong Academy of Agricultural Sciences Poultry Research Institute, has been approved by the National Livestock and Poultry Genetic Resources Committee and will receive a new variety breeding system certificate [1] Group 2 - In terms of capital flow, the main funds experienced a net outflow of 4.2955 million yuan on that day, with a cumulative net outflow of 37.818 million yuan over the past five trading days [2]