Today, the A-share market experienced volatile trading on heavy volume, with large-cap blue-chip stocks staging a comprehensive rebound. The SSE 50 and CSI 300 indices opened higher and traded in positive territory. In contrast, technology and growth stocks underwent adjustments, with the STAR 50 and BSE 50 indices both falling over 1%. The Shanghai Composite Index and Shenzhen Component Index also registered minor declines, while market turnover expanded moderately to 3.28 trillion yuan. Sector performance showed gains in precious metals, oil and gas extraction, animal health, and biological vaccines leading the advance. Conversely, commercial aerospace, motor manufacturing, the 6G concept, and glass substrates were among the biggest decliners. Real-time data from Wind indicated that the non-ferrous metals sector attracted a net inflow of over 17.4 billion yuan in main funds, exceeding the combined net inflows of all other sectors. The pharmaceuticals and biologics sector saw a net inflow of more than 4.4 billion yuan, communications attracted over 3.4 billion yuan, and petroleum and petrochemicals garnered more than 2.1 billion yuan. Agriculture, forestry, animal husbandry, fishing, banking, and coal also each received net inflows exceeding 1 billion yuan. In contrast, the electronics sector suffered a massive net outflow of over 33.7 billion yuan in main funds, national defense and military industries saw outflows exceeding 22 billion yuan, and the automotive sector experienced net outflows of over 12.4 billion yuan. Regarding individual stocks, Wangsu Science & Technology, Hengtong Optic-Electric, and Zhewen Interactive each attracted net main fund inflows exceeding 2 billion yuan. Ten other stocks, including Zijin Mining Group, Tongling Nonferrous Metals Group, and Dongfang Risheng, also saw net inflows of over 1 billion yuan each.

Looking ahead, Haitong International believes the market is currently in a phase of consolidation within an overall upward trend. The key focus, they suggest, lies not in short-term index fluctuations but in sector structure, anticipating that the pre-Spring Festival "red envelope" rally will continue to build momentum steadily. For investment strategy, they recommend using market volatility to deeply explore structural highlights like semiconductors, while increasing allocations to high-dividend advantage assets in Hong Kong stocks. They also advise waiting for differentiation and reallocation opportunities following pullbacks in popular A-share thematic sectors like aerospace and defense. In market hotspots, pharmaceutical stocks strengthened rapidly in the afternoon session, led by the biological vaccines segment. The sector index shot up vertically right after the afternoon opening, surging over 3% on heavy volume to hit a new high for the year. Jindike surged by the 20% daily limit in the afternoon. Shenzhen Neptunus Bioengineering Co.,Ltd. experienced a vertical rally immediately after the afternoon session began, rocketing from negative territory to the 10% daily limit in just about 7 minutes. Kehua Biotech also soared straight to its limit up in approximately 8 minutes during the afternoon. Hualan Vaccine and Da'an Gene also surged powerfully to their daily limits.

Concepts including hepatitis, biological products, genetic concepts, and innovative drugs all saw significant volume-driven increases in the afternoon. Hygeia Biotechnology hit the 20% limit up within seconds of the afternoon opening. Companies like Teyi Pharmaceutical and Zhijiang Biology saw batches of stocks either hitting their daily limits or rising over 10%. On the news front, according to reports from CCTV News and Xinhua News Agency, the eastern Indian state of West Bengal has recently reported cases of Nipah virus infection, with 5 confirmed cases so far, including healthcare workers. Nearly 100 people have been ordered to quarantine at home, and infected individuals are receiving treatment in hospitals in Kolkata, the state capital, and surrounding areas, with one patient in critical condition. The World Health Organization classifies the Nipah virus as a deadly zoonotic virus, primarily carried by fruit bats. The virus can be transmitted to humans through contaminated food or via direct human-to-human contact, with a fatality rate ranging from 40% to 75%. The incubation period from infection to symptom onset is generally 4 to 14 days, but can extend up to 45 days. Currently, there are no specific vaccines or effective therapies available. On the 26th, Thailand's Ministry of Public Health announced the initiation of Nipah virus screening for passengers arriving from India at Suvarnabhumi Airport and Don Mueang Airport, with a particular focus on individuals from West Bengal. Thai health authorities stated that passengers, along with relevant aviation and airport agencies, are actively cooperating with the epidemic prevention efforts. Nepal has also raised its national epidemic alert level. The Ministry of Health and Population has initiated health screenings at Tribhuvan International Airport and major border crossings with India, specifically enhancing monitoring at the Koshi Province border adjacent to India. Sinolink Securities stated that the convergence of technological maturity and an industry inflection point will usher in a golden development period for the small nucleic acid (RNAi/siRNA) track. Technologically, its unique mechanism of intervening diseases at the genetic source, coupled with longer treatment cycles, is breaking through incremental innovation and sparking a third wave of pharmaceutical development. Industrially, the global pace of small nucleic acid drug approvals has accelerated significantly, and BD collaboration activities involving small nucleic acids are increasingly active, suggesting the industry is poised for a comprehensive breakout.