Core Viewpoint - The article emphasizes the importance of valuation in investment, explaining how it serves as a tool to determine whether an asset is undervalued or overvalued, guiding investment decisions accordingly [3][4][7]. Group 1: Understanding Valuation - Valuation measures the relationship between asset price and value, helping investors identify "cheap" and "expensive" assets [3]. - The essence of investing is to buy low and sell high, with valuation being the core tool for this judgment [4]. - The correct investment logic is to buy when undervalued, hold at normal valuation, and sell when overvalued [5]. Group 2: Valuation Examples - An analogy is provided using watermelon prices in Beijing to illustrate valuation: a price of 0.1 yuan per jin is severely undervalued, 1.5 yuan is normal, and 20 yuan is severely overvalued [6]. - This analogy translates to investing, where assets should be bought when priced below their intrinsic value and sold when above [7]. Group 3: Valuation Game - A game is described to estimate a company's value based on its stable annual profit of 1 million yuan, with most participants valuing it between 8 million and 15 million yuan, resulting in a price-to-earnings (PE) ratio of 8-15 times [10][11]. Group 4: A-share Market Valuation - The average PE ratio for the A-share market, particularly the CSI 300 index, is noted to be between 10-16 times, slightly higher than the previously mentioned game results [12][13]. - Market valuation fluctuates significantly, with PE ratios reaching 40-50 times during bull markets and dropping during bear markets [16]. Group 5: Common Valuation Metrics - Common valuation metrics include: - Price-to-Earnings (PE) Ratio: Market value divided by earnings, indicating how many years it would take to recoup the investment [18]. - Earnings Yield: The inverse of PE, showing the percentage of earnings relative to market value [23]. - Price-to-Book (PB) Ratio: Market value divided by net assets, providing a more stable measure during profit fluctuations [29]. - Dividend Yield: Dividends paid relative to market value, useful for stable dividend-paying stocks [32]. Group 6: Valuation Principles - Two principles for using valuation metrics effectively: - Each valuation metric is suitable for specific types of assets, with no universal metric applicable to all [39]. - The more stable the data for a particular asset, the more appropriate the corresponding valuation metric [42]. Group 7: Methods for Valuation Data - Valuation data can be accessed through: - Official index company websites, which provide free but limited data [44][46]. - Professional financial terminals like Wind or Choice, offering comprehensive data at a high cost [47][48]. Group 8: Valuation Star Ratings - The "螺丝钉星级" rating system categorizes investment stages from 5-star (best investment phase) to 1-star (bubble phase) [52]. Group 9: Additional Resources - The article encourages using the "今天几星" mini-program for more valuation data, including historical star ratings and valuation trends [56][62].

Core Viewpoint - The article discusses the investment opportunities and strategies based on different star ratings of the market, specifically focusing on the current 3.x star rating and the appropriate investment combinations for both existing and new funds [1][11][67]. Group 1: Star Rating and Investment Strategies - The "螺丝钉星级" (Screw Star Rating) is used to assess the overall market valuation, with a scale from 1 to 5 stars indicating different investment phases [6][9]. - A 5-5.9 star rating represents the best phase for investing in stock funds, characterized by a high number of undervalued options and limited downside risk [26][28]. - In the 4-4.9 star range, there are still some undervalued options, but the number decreases, and investment amounts should be reduced compared to the 5-star phase [31][32]. - The 3-3.9 star range indicates that most options are either fairly valued or overvalued, making it less favorable for new investments in stock funds [35][39]. Group 2: Current Market Valuation - As of early January 2026, the market is around 3.9 stars, with most options returning to normal valuations and few remaining undervalued [11][67]. - The article notes that during the extreme valuation of 5.9 stars in September 2024, a significant portion of the market was undervalued [12]. - Historical data shows that at 3.7 stars in early 2021, there were no undervalued options available, highlighting the cyclical nature of market valuations [13][36]. Group 3: Investment Combinations - The article outlines various investment combinations suitable for different star ratings, including "主动优选" (Active Selection), "指数增强" (Index Enhancement), and "月薪宝" (Monthly Salary Treasure) [19][30][55]. - The "月薪宝" combination, which includes a higher proportion of stock assets, is currently undervalued, while "主动优选" and "指数增强" have returned to normal valuations [20][21]. - For 4-star phases, a more conservative approach with lower stock exposure, such as the "月薪宝" combination, is recommended to mitigate volatility [33][34]. Group 4: Asset Allocation Strategies - The article suggests using a "100-age" rule for allocating existing funds, where the percentage of stock assets should be based on the investor's age [49][46]. - For new funds, a systematic investment approach (定投) is recommended, particularly during favorable market conditions [51][29]. - The article emphasizes the importance of diversifying investments across different asset types to manage risk effectively [34][57].