Jin Rong Jie·2026-01-05 03:37Core Viewpoint - The medical sector is experiencing a strong performance, with the largest medical ETF (512170) showing significant gains, driven by positive market sentiment and news regarding Neuralink's plans for large-scale production of brain-computer interface devices starting in 2026 [1][3]. Group 1: Market Performance - On January 5, 2026, the medical ETF (512170) opened high and rose over 4%, potentially marking the largest single-day gain in nearly three months, with real-time transactions exceeding 650 million yuan [1]. - All 50 constituent stocks of the medical ETF saw increases, with notable surges in brain-computer interface stocks, including Sanbo Brain Science, Meihua Medical, and Lepu Medical, which hit the daily limit of 20% [1]. - The CXO sector also performed strongly, with Zhaoyan New Drug reaching the daily limit and WuXi AppTec increasing by nearly 6% [1]. Group 2: Fund and Index Details - The medical ETF (512170) has a total scale exceeding 25.259 billion yuan, making it the largest medical and healthcare ETF in the market, serving as a significant industry benchmark [3]. - The ETF focuses on "medical devices + medical services," with a CXO weight exceeding 26%, and includes leading companies in aesthetic medicine, private hospitals, and medical information technology [3]. - The current price-to-earnings ratio of the underlying index for the medical ETF is 32 times, which is lower than over 70% of the time in the past decade, indicating a favorable cost-performance ratio for investors [1].