Group 1 - The core viewpoint of the article highlights that the total net inflow into ETFs across the market reached 7.5 billion yuan on July 30, with the Hang Seng Tech Index-related ETFs attracting the highest inflow of 2.1 billion yuan [1] - From a product perspective, the top three ETFs by net inflow were the ChiNext ETF (159915) with 1.54 billion yuan, the E Fund Sci-Tech Bond ETF (551500) with 1.37 billion yuan, and the Hong Kong Securities ETF (513090) with 980 million yuan [1] - All three top inflow ETFs are managed by E Fund and feature a competitive management fee rate of 0.15% per year, which benefits investors looking for low-cost investment options in these sectors [1] Group 2 - The article notes that other indices such as the ChiNext Index, the China Securities AAA Technology Innovation Company Bond Index, the China Securities Hong Kong Stock Connect Internet Index, and the Hong Kong Securities Index also experienced significant net inflows [1]