Core Viewpoint - The launch of the "Index Direct Train" WeChat mini-program by E Fund reflects the growing trend of index investment and the increasing competition among fund companies to provide efficient investment tools for investors [2][5][19]. Group 1: Introduction of the Mini-Program - E Fund, as the leading fund company in China, has introduced the "Index Direct Train" WeChat mini-program, which aggregates over 3,000 ETFs and off-market index funds covering more than 450 indices across A-shares, Hong Kong stocks, and US stocks [2][5]. - The mini-program aims to create a one-stop investment service loop for investors, offering real-time market synchronization, flexible product selection, and efficient trading channels [2][5]. Group 2: Industry Trends - The rise of index investment has led to a rapid increase in the number and scale of ETF and off-market index fund products [5]. - Other leading public fund companies, such as Huaxia, GF, Bosera, and Harvest, have also launched similar WeChat mini-programs focusing on ETF and index investment, indicating a trend towards more refined public fund mini-programs [3][15][18]. Group 3: Features of the Mini-Program - The "Index Direct Train" provides multiple convenient search paths, allowing investors to quickly identify suitable indices and products through advanced filtering options [13]. - It is the only mini-program that supports trading for both on-market ETFs and off-market index funds, connecting to the most trading channels in the market [13]. - The mini-program features nearly 100 list indicators and over 80 filtering indicators, enabling comprehensive and multi-dimensional displays of indices and products [13]. Group 4: Market Positioning and Future Outlook - The emergence of specialized ETF mini-programs reflects the emphasis on index investment by fund companies and the trend towards precision and tool-based services in the public fund sector [18][20]. - Mini-programs are seen as a lightweight and cost-effective way to reach customers, providing a better user experience compared to traditional apps [20].