
Group 1 - The National Vaccine and Biotechnology Index (980015) has seen a strong increase of 2.39% as of May 29, 2025, with notable gains in constituent stocks such as Zhaoyan New Drug (603127) up 9.99%, Yifan Pharmaceutical (002019) up 9.17%, and Dizhe Pharmaceutical (688192) up 8.73% [1] - The Biovaccine ETF (159657) rose by 2.28%, with the latest price reported at 0.63 yuan [2] - The 2025 American Society of Clinical Oncology (ASCO) Annual Meeting will take place from May 30 to June 3, 2025, in Chicago, showcasing the development of oncology research in China, with over 70 studies from Chinese scholars selected for presentation [2] Group 2 - The top ten weighted stocks in the National Vaccine and Biotechnology Index (980015) as of April 30, 2025, include Fosun Pharma (600196), Changchun High-tech (000661), and others, collectively accounting for 63.18% of the index [3] - The Biovaccine ETF closely tracks the National Vaccine and Biotechnology Index, which consists of 50 companies involved in the biotechnology industry, reflecting the overall performance of quality listed companies in the sector [2]