Core Viewpoint - The avian influenza concept sector has seen a significant increase, with a rise of 2.45%, ranking third among concept sectors on the trading day ending August 19. Group 1: Sector Performance - The avian influenza sector had 18 stocks rising, with ST Xiangxue hitting a 20% limit up, and Kangyuan Pharmaceutical also reaching the limit up. Other notable gainers included Yongshun Biological, Lianhuan Pharmaceutical, and Zhongsheng Pharmaceutical, which rose by 9.35%, 6.08%, and 3.79% respectively [1] - The top-performing concept sectors included: - Reducer: +2.62% - Animal Vaccine: +2.47% - Avian Influenza: +2.45% [1] Group 2: Capital Flow - The avian influenza sector attracted a net inflow of 109 million yuan, with 15 stocks receiving net inflows. Five stocks had net inflows exceeding 10 million yuan, led by Kangyuan Pharmaceutical with a net inflow of 154 million yuan [1] - The top stocks by net capital inflow ratio included: - Kangyuan Pharmaceutical: 19.87% - ST Xiangxue: 14.18% - Zhongmu Stock: 5.23% [2]

资金面上看，今日禽流感概念板块获主力资金净流入9.38亿元，其中，10股获主力资金净流入，5股主 力资金净流入超3000万元，净流入资金居首的是众生药业，今日主力资金净流入5.33亿元，净流入资金 居前的还有联环药业、太极集团、温氏股份等，主力资金分别净流入2.79亿元、9784.01万元、5466.97 万元。 资金流入比率方面，联环药业、众生药业、太极集团等流入比率居前，主力资金净流入率分别为 21.80%、15.06%、9.94%。（数据宝） 禽流感概念资金流入榜 截至8月1日收盘，禽流感概念上涨1.62%，位居概念板块涨幅第4，板块内，20股上涨，众生药业、联 环药业、永顺生物等涨幅居前，分别上涨7.49%、7.31%、6.32%。跌幅居前的有华兰疫苗、生物股份、 亚泰集团等，分别下跌0.63%、0.58%、0.56%。 今日涨跌幅居前的概念板块 | 概念 | 今日涨跌幅（%） | 概念 | 今日涨跌幅（%） | | --- | --- | --- | --- | | 动物疫苗 | 2.22 | 中船系 | -2.54 | | DRG/DIP | 1.87 | 兵装重组概念 | -1.90 | | B ...

Group 1 - The core viewpoint of the news is that the avian influenza concept sector has seen a significant increase, ranking fourth among concept sectors with a rise of 2.33% as of the market close on July 16 [1][2]. - Within the avian influenza sector, 24 stocks experienced gains, with notable performers including Biological Shares and Lianhuan Pharmaceutical, which hit the daily limit, and others like Ruipu Biological and Zhongmu Shares, which rose by 5.65%, 3.70%, and 3.56% respectively [1][2]. - The avian influenza concept sector attracted a net inflow of 301 million yuan from main funds today, with 12 stocks receiving net inflows, and 6 stocks seeing inflows exceeding 10 million yuan [2][3]. Group 2 - The leading stocks in terms of net fund inflow within the avian influenza concept include Biological Shares with a net inflow of 159 million yuan, followed by Lianhuan Pharmaceutical and Zhongsheng Pharmaceutical with inflows of 95.22 million yuan and 70.42 million yuan respectively [2][3]. - The net inflow ratios for the top stocks are as follows: Biological Shares at 19.39%, Lianhuan Pharmaceutical at 11.66%, and Zhongsheng Pharmaceutical at 5.64% [3][4]. - The trading volume and turnover rates for the leading stocks in the avian influenza sector indicate strong investor interest, with Biological Shares showing a turnover rate of 8.74% and Lianhuan Pharmaceutical at 18.86% [3][4].