持续回撤，4000点是否终点？

Market Performance - The three major indices collectively declined, with the Shanghai Composite Index down 0.43%, the Shenzhen Component down 0.35%, and the ChiNext Index down 0.8% [1] - Over 2900 stocks in the two markets fell, with a total trading volume of 1.27 trillion [1] Precious Metals and Other Sectors - Precious metals experienced significant declines, with gold down 4.01% and silver down 3.94% [3] - The pharmaceutical sector showed divergence, with companies like Jimin Health and Yaoyigou experiencing substantial drops [3] - The Fujian sector saw a resurgence, with stocks like Xiamen Engineering and Pingtan Development hitting the daily limit [3] AI and Technology Developments - The AI application concept gained momentum, with multiple stocks, including 360, hitting the daily limit [3] - Huawei is set to release groundbreaking technology in the AI field on November 21, focusing on software innovation for unified resource management [3] - Alibaba announced its entry into the AI to C market with the launch of the Qianwen project and the public beta of the Qianwen app [3]