21世纪经济报道·2025-12-18 04:01Market Overview - On December 18, A-shares showed mixed performance with the Shanghai Composite Index turning positive while the ChiNext Index fell nearly 2%. The total trading volume in the Shanghai and Shenzhen markets reached 1.05 trillion yuan, an increase of 192 billion yuan compared to the previous trading day, with over 3,600 stocks rising across the market [1]. Commercial Aerospace Sector - The commercial aerospace sector exhibited strong performance, with stocks such as China Satellite, Beimo High-tech, Western Materials, and Tianjian Technology hitting the daily limit. The Long March 12A reusable launch vehicle, developed by the China Aerospace Science and Technology Corporation, is scheduled for its historic first launch in December 2025 [3][4]. Pharmaceutical Sector - The pharmaceutical sector, including medical devices and brain-computer interface technologies, also showed resilience, with stocks like Huaren Health, Yinte Group, and Saili Medical reaching their daily limit. Recent breakthroughs in brain-computer interface technology have been noted, with significant market potential expected due to policy support [5][7]. Brokerage Firms - On the same day, major brokerage firms such as CICC and Dongxing Securities resumed trading at the daily limit, with CICC's stock rising over 5% and Dongxing Securities hitting the limit. This follows the announcement of a merger plan between CICC and Dongxing Securities, with the combined entity expected to have total assets exceeding 1 trillion yuan [8]. Future Market Outlook - Looking ahead to 2026, the market outlook is positive, driven by limited negative external impacts and supportive domestic economic conditions. Key sectors expected to thrive include AI, new energy, military industry, and innovative pharmaceuticals. The influx of domestic and foreign capital into the stock market is anticipated to further enhance market dynamics [10].