尾盘异动!601899,现巨额压单!

Core Viewpoint - The A-share market experienced fluctuations with significant movements in various sectors, particularly in precious metals and biotechnology, while the commercial aerospace sector faced a sharp decline [1][12]. Group 1: A-share Market Overview - The Shanghai Composite Index closed at 4132.61 points, down 0.09%, while the Shenzhen Component and ChiNext Index fell by 0.85% and 0.91%, respectively [1]. - A total trading volume of approximately 3.28 trillion yuan was recorded, an increase of over 160 billion yuan from the previous day [1]. - Over 3700 stocks in the A-share market closed in the red, with notable declines in the commercial aerospace and semiconductor sectors [1]. Group 2: Precious Metals Sector - The precious metals sector showed strong performance, with silver and gold stocks gaining significantly. Silver Youse rose to a 5-day limit, while companies like Hunan Gold and Zhaojin Gold also hit the limit [3][4]. - Spot gold prices reached a historic high of $5100 per ounce, driven by factors such as moderate U.S. inflation data and geopolitical uncertainties [5]. - Institutional analysis indicates that the ongoing rise in gold prices is supported by increased investment demand and central bank purchases, suggesting a robust long-term outlook for gold and silver [5]. Group 3: Biotechnology Sector - The biotechnology sector saw a surge, with companies like Hualan Biological and Jindike hitting the 20% limit, and others like Zhifei Biological rising nearly 15% [7][8]. - The rise in the sector is partly attributed to the emergence of the Nipah virus in India, prompting increased demand for related testing products [9][10]. Group 4: Commercial Aerospace Sector - The commercial aerospace sector experienced a significant drop, with companies like Shaoyang Hydraulic and Haoshi Electromechanical falling by approximately 14% [12]. - China Satellite issued a risk warning, indicating that its stock price had risen significantly without fundamental changes, highlighting the risks of market speculation [12][14].