每日钉一下（怎么看国家队买了多少指数基金？）

Group 1 - The article discusses the suitability of fund regular investment (定投) for lazy investors and emphasizes the importance of preparing before starting a fund investment plan [2] - It outlines the necessity of creating a well-structured investment plan and highlights four different methods of fund regular investment, suggesting that investors choose the one that best fits their needs [2] - The article also mentions strategies for profit-taking (止盈) in fund investments, indicating that understanding these strategies is crucial for successful investing [2] Group 2 - The article provides insights into how to observe the national team's (国家队) investments in index funds, particularly during market downturns [7] - It explains that the national team, represented by entities like Central Huijin, invests in index funds and that their holdings in major ETFs are publicly disclosed in regular fund reports [8] - Specific data is provided, indicating that Central Huijin holds 39% and 29% of the largest 300 ETFs, showcasing the scale of their investments [8]