成交活跃，这类ETF涨幅居前

Market Overview - On August 19, the three major stock indices experienced slight declines, with total ETF trading volume exceeding 400 billion yuan [1] - On August 18, the bond market saw a significant drop, while the stock market performed well, leading to increased buying of the 30-year government bond ETF [2] ETF Performance - AI-related ETFs showed strong performance, with sectors like liquor and humanoid robots also leading in gains. The Guotai CSI Communication Equipment ETF rose by 4.04%, while several AI-focused ETFs increased by over 2% [3][4] - The total trading volume of all ETFs reached 448.51 billion yuan on August 19, with the Hai Fudong CSI Short Bond ETF and the E Fund CSI Hong Kong Securities Investment Theme ETF being the top two in trading volume [4] Fund Inflows - On August 18, significant capital inflows were observed in brokerage-related ETFs, with the Huabao CSI All-Share Securities Company ETF seeing a net inflow of 11.43 billion yuan [6][7] - The 30-year government bond ETFs also attracted substantial investments, with 15.04 billion yuan flowing into the Bosera CSI 30-Year Government Bond ETF [6][7] Liquidity Service Changes - On August 19, ICBC Credit Suisse announced the termination of liquidity services provided by Founder Securities for the Shenhongli ETF. Other fund companies like Huatai-PineBridge and Yinhua also announced changes in liquidity service providers [8]