Group 1 - The core viewpoint of the article highlights the decline of the artemisinin concept sector, which fell by 0.82%, ranking among the top declines in the concept sector [1][2] - Within the artemisinin concept sector, major companies such as Rundu Co., Zhejiang Medicine, and Kunming Pharmaceutical experienced significant declines, while only two stocks, Delong Huineng and Baiyunshan, saw increases of 1.06% and 0.37% respectively [1][2] - The article provides a detailed overview of the capital flow, indicating a net outflow of 58 million yuan from the artemisinin concept sector, with Rundu Co. leading the outflow at 43.43 million yuan [2] Group 2 - The article lists the top-performing concept sectors, with the military equipment restructuring concept leading with a gain of 3.92%, while the artemisinin concept was among the worst performers [2] - A table is provided showing the capital flow for various companies within the artemisinin concept, detailing their respective price changes and turnover rates, with Rundu Co. showing a significant outflow [2]

截至5月13日收盘，阿尔茨海默概念上涨1.74%，位居概念板块涨幅第5，板块内，24股上涨，华大基 因、迪安诊断、美年健康等涨幅居前，分别上涨14.55%、8.27%、6.72%。跌幅居前的有*ST双成、金凯 生科、联影医疗等，分别下跌4.96%、1.15%、0.80%。 今日涨跌幅居前的概念板块 | 代码 | 简称 | 今日涨跌幅 | 今日换手率 | 主力资金流量（万 | 主力资金净流入比率 | | --- | --- | --- | --- | --- | --- | | | | （%） | （%） | 元） | （%） | | 300676 | 华大基 因 | 14.55 | 5.13 | 12606.52 | 10.91 | | 000766 | 通化金 马 | 4.09 | 4.77 | 7912.36 | 9.04 | | 600789 | 鲁抗医 药 | 2.26 | 11.15 | 6213.39 | 5.96 | | 688068 | 热景生 物 | 2.40 | 3.98 | 3651.30 | 9.40 | | 002044 | 美年健 康 | 6.72 | 5.71 | 3326.88 ...

Group 1 - The Alzheimer's concept sector rose by 1.30%, ranking 6th among concept sectors, with 21 stocks increasing in value [1][2] - Notable gainers in the sector included Jinkai Biotechnology with a 20% limit-up, Shuangcheng Pharmaceutical also hitting the limit-up, and LuKang Pharmaceutical, Fujilai, and Dongcheng Pharmaceutical with increases of 3.95%, 3.60%, and 2.06% respectively [1][2] - The sector experienced a net inflow of 250 million yuan from main funds, with Shuangcheng Pharmaceutical leading the inflow at 181 million yuan [2][3] Group 2 - The top stocks by net inflow ratio included Jinkai Biotechnology at 33.12%, Shuangcheng Pharmaceutical at 19.33%, and Chitianhua at 5.51% [3] - The trading volume and turnover rates for key stocks in the Alzheimer's concept were significant, with Shuangcheng Pharmaceutical showing a turnover rate of 23.40% and Jinkai Biotechnology at 23.43% [3] - Decliners in the sector included NuoVizon, Dean Diagnostics, and BGI Genomics, with declines of 2.96%, 2.68%, and 1.85% respectively [1][4]