【今日龙虎榜】多只中证A500相关ETF上周，份额大减机构和游资激烈博弈AI应用概念股！

Core Viewpoint - The article highlights the trading activities in the Shanghai and Shenzhen stock markets, focusing on the top traded stocks, sector performances, and significant fund flows, indicating potential investment opportunities and market trends [1][2][5]. Group 1: Trading Volume and Top Stocks - The total trading volume for the Shanghai and Shenzhen Stock Connect today reached 398.98 billion, with Cambricon Technologies and CATL leading in trading volume for the Shanghai and Shenzhen markets respectively [1]. - The top traded stocks in the Shanghai market include Cambricon Technologies (3.406 billion), Zijin Mining (2.475 billion), and Zhaoyi Innovation (2.132 billion) [3]. - In the Shenzhen market, CATL topped the list with 6.126 billion, followed by Zhongji Xuchuang (4.786 billion) and Xinye Technology (4.350 billion) [4]. Group 2: Sector Performance - The computer sector saw the highest net inflow of funds, amounting to 15.526 billion, with a net inflow rate of 3.49% [6]. - Other sectors with significant net inflows include cultural media (4.605 billion, 3.09%) and securities (4.345 billion, 6.37%) [6]. - Conversely, the new energy sector experienced the largest net outflow of funds, totaling -13.683 billion, with a net outflow rate of -3.90% [7]. Group 3: ETF Trading Activities - The top ETF by trading volume was the Hong Kong Securities ETF (145.289 billion), followed by the CSI A500 ETF (82.104 billion) [11]. - The CSI A500 ETF saw a significant decrease in trading volume, down 23.01 billion from the previous week, indicating a potential shift in investor sentiment [14]. - The Media ETF recorded the highest increase in trading volume, up 299.03% compared to the previous trading day [12]. Group 4: Institutional and Retail Investor Activities - Institutional investors showed high activity, with significant purchases in stocks like Shanzik Technology (4.84 billion) and LeiKe Defense (2.35 billion) [16]. - Retail investors also demonstrated notable activity, with substantial purchases in Cambricon Technologies (3.8 billion) and BlueFocus Communication (2.25 billion) [19]. - Quantitative funds were active, with significant buying in stocks like Dazhi Technology (519.3 million) and selling in Shanzik Technology (1.12 billion) [21].