Sou Hu Cai Jing·2025-12-22 09:48Summary of Key Points Core Viewpoint - The trading volume of the Shanghai and Shenzhen Stock Connect reached a total of 182.16 billion yuan, with Zijin Mining and Zhongji Xuchuang leading in individual stock trading volume. The communication sector saw the highest net inflow of funds, while the banking ETF experienced a significant reduction in shares over the past three weeks [1][2][12]. Trading Volume - The total trading amount for the Shanghai Stock Connect was 81.04 billion yuan, while the Shenzhen Stock Connect totaled 101.12 billion yuan [2]. Top Trading Stocks - In the Shanghai Stock Connect, Zijin Mining topped the list with a trading volume of 14.03 billion yuan, followed by Cambricon Technologies at 13.68 billion yuan and Yangtze Power at 12.01 billion yuan [3]. - In the Shenzhen Stock Connect, Zhongji Xuchuang led with a trading volume of 5.193 billion yuan, followed by CATL at 2.668 billion yuan and Newray at 2.540 billion yuan [3]. Sector Performance - The communication sector had the highest net inflow of funds at 7.098 billion yuan, followed by the electronics sector with 5.699 billion yuan. In contrast, the computer sector saw the largest net outflow at -2.295 billion yuan [6][7]. ETF Trading - The top ETF by trading volume was the A500 ETF from Huatai-PB, with a trading amount of 13.747 billion yuan, showing a 2.86% increase from the previous trading day [8]. - The China Securities A500 Index ETF (563880) experienced a remarkable 309% increase in trading volume compared to the previous trading day, reaching 5.1981 billion yuan [9]. Share Changes in ETFs - The A500 ETF from Southern saw the largest increase in shares last week, with an increase of 8.373 billion shares, followed by the Huatai-PB A500 ETF with an increase of 7.08 billion shares [10]. - The banking ETF (512800) has seen a total reduction of 5.154 billion shares last week, amounting to a total decrease of 5.1 billion shares over the past three weeks [12]. Institutional Activity - The commercial aerospace concept stocks remained active, with Tianyin Electromechanical receiving 65.44 million yuan from two institutions, while it faced a sell-off of 64.87 million yuan from three institutions [14][15]. - The stock Shenong Agriculture saw a significant buy from four institutions amounting to 224 million yuan, indicating strong institutional interest in the Hainan Free Trade Zone concept [15].