A股三大指数集体收跌，创业板指下跌超4%

Market Overview - A-shares experienced a significant decline on November 21, with the Shanghai Composite Index falling below 3900 points and the ChiNext Index dropping below 3000 points, closing down 2.45% at 3834.89 points [6][2] - The total trading volume in the Shanghai and Shenzhen markets was approximately 19656.61 billion yuan, an increase of about 2574.72 billion yuan compared to the previous trading day [6][2] - Out of the total stocks, 354 rose while 5072 fell, with 33 hitting the daily limit up and 99 hitting the limit down [6][2] Sector Performance - The shipbuilding sector showed activity, with Jiuzhiyang hitting the daily limit up and China Shipbuilding Defense rising over 6% [6][2] - The battery sector faced a broad decline, with Tianhua New Energy, Xingyuan Material, and Honggong Technology all dropping over 10%, and Dexin Technology hitting the limit down [6][2] - Energy metals experienced significant adjustments, with companies like Ganfeng Lithium and Tianqi Lithium hitting the limit down [6][2] - The silicon energy sector also saw declines, with companies such as Dawi Co. and Chenguang New Materials hitting the limit down [6][2] Investment Insights - CITIC Securities highlighted that the current adjustment in the computing power sector presents an opportunity for investment, as the demand driven by AI remains strong [7][3] - The report from CITIC Securities on November 21 suggested that A-shares are expected to transition to a "low volatility slow bull" market, with "global exposure" becoming a key variable for assessment [9][3] - High foreign exposure companies contributed 39% of profits and 35% of market value in the non-financial sector, indicating their potential to drive overall market performance [9][3] - The outlook for 2026 predicts a 4.7% growth in overall A-share profits, with an increase in high prosperity and performance improvement sectors [11][3]