Zheng Quan Shi Bao·2025-11-20 08:08Market Overview - On November 20, A-shares experienced significant fluctuations, with the Shanghai Composite Index closing down by 0.4%, the Shenzhen Component Index down by 0.76%, and the ChiNext Index down by 1.12% [1][2] - The total market turnover exceeded 1.7 trillion yuan, with over 3,800 stocks declining [2] Stock Performance - The banking sector showed resilience, with China Bank and Industrial and Commercial Bank reaching new highs [2] - The Hainan Free Trade Zone sector surged, with Hainan Haiyao hitting the daily limit [2] - The lithium extraction sector also saw gains, with companies like Beijiete and Zhengguang shares hitting the daily limit of 20% [2] - Conversely, sectors such as coal, prepared dishes, dairy, and organic silicon experienced declines [2] Company Specifics - Heff China resumed trading and hit the daily limit, closing at 26.18 yuan per share after a significant rise of 291.92% over 15 trading days prior to November 17 [3][5] - Heff China's main business includes AI-assisted clinical diagnosis systems, remote medical services, and management of medical resources [5] - The stock of Heff China was suspended for trading due to abnormal fluctuations, but no additional favorable information was disclosed upon resumption [5] Notable Stock Movements - The stock of Renmin Tongtai faced a consecutive drop, hitting the limit down after a previous six-day surge of 88.71% [6][8] - ST Lvkang also experienced a "heaven and earth board" phenomenon, with significant volatility following a nine-day rise [8] - Jiumuwang exhibited extreme volatility, opening at the limit up, then hitting the limit down, before recovering to the limit up again, with a cumulative increase of 99.46% in November [10][12]