Group 1 - The core viewpoint of the article highlights the performance of the Shanghai Stock Exchange Sci-Tech Innovation Board Medical Index, which reflects the overall performance of up to 30 listed companies in the medical sector on the Sci-Tech Innovation Board [1] - The Shanghai Sci-Tech Innovation Board Medical Index has increased by 2.43% in the past month, decreased by 2.53% in the past three months, and has risen by 1.89% year-to-date [1] - The index is based on a reference date of December 30, 2022, with a base point of 1000.0 [1] Group 2 - The top ten weighted companies in the index include: Huatai Medical (10.99%), United Imaging (10.25%), Aibo Medical (6.82%), Yirui Technology (6.61%), Nanwei Medical (5.29%), Shengxiang Biology (5.01%), Xinmai Medical (4.65%), Haier Biomedical (4.17%), Aohua Endoscopy (3.77%), and Yahui Long (3.65%) [1] - The index's holdings are entirely composed of companies listed on the Shanghai Stock Exchange, with a 100% allocation [1] - In terms of industry composition, medical consumables account for 44.80%, medical devices for 33.62%, and in vitro diagnostics for 21.58% [1] Group 3 - The index samples are adjusted quarterly, with adjustments implemented on the next trading day following the second Friday of March, June, September, and December [2] - Weight factors are generally fixed until the next scheduled adjustment, with special circumstances allowing for temporary adjustments [2] - Companies that are delisted or undergo mergers, acquisitions, or splits will be handled according to the calculation and maintenance guidelines [2]
上证科创板医疗指数报738.85点,前十大权重包含亚辉龙等