Sou Hu Cai Jing·2026-01-26 06:59Group 1 - The vaccine sector is experiencing a strong performance, with the medical ETF (159929) gaining 0.43% in the afternoon and surpassing a trading volume of 1.2 billion yuan, exceeding last Friday's total [1][3] - The medical ETF's constituent stocks are mostly in the green, with notable gains in vaccine stocks: Zhifei Biological up over 14%, Watson Bio up over 10%, and Hualan Biological up over 6% [3] - The top ten weighted stocks in the medical ETF account for 42.97% of the index, indicating a concentrated investment in key players within the pharmaceutical sector [7][8] Group 2 - Hualan Biological's subsidiary has received approval for clinical trials of its shingles vaccine, marking a significant breakthrough in its pipeline for preventive medicine, with expectations of increased demand due to an aging population [5] - Yiling Pharmaceutical forecasts a net profit of 1.2 to 1.3 billion yuan for 2025, indicating a turnaround from previous losses and signaling a critical operational inflection point [5] - The development of therapeutic cancer vaccines is entering a breakthrough phase, with mRNA technology leading the shift towards efficient and personalized immunotherapy, offering advantages in production, clinical safety, and strategic flexibility [6]