死扛还是割肉？亏了20%的基金，我该怎么办？

Core Viewpoint - The article discusses the three main scenarios of fund losses and provides guidance on whether to hold or sell under different circumstances, emphasizing the importance of understanding the root causes of losses and the long-term logic of industries [7][10][28]. Group 1: Market Conditions - The first scenario of fund losses occurs when the entire market is declining, which is referred to as systematic risk. This type of risk is unpredictable and unavoidable, as seen during the 2008 financial crisis when the market dropped by 60% [10][12][13]. - The market experiences cyclical changes, transitioning from prosperity to recession and back to prosperity, indicating that economic recovery and market confidence will eventually return [15][16]. Group 2: Industry-Specific Issues - The second scenario involves specific industries or themes experiencing downturns. For instance, the photovoltaic industry faced a downturn from 2021 to 2023 due to rapid capacity expansion, but demand remains, suggesting that holding onto investments may be wise if the long-term logic of the industry hasn't changed [18][22][25]. - Investors should assess whether the fundamental logic of the industry has shifted before deciding to sell [27]. Group 3: Fund Management Problems - The third scenario, which requires the most caution, is when the fund manager's management leads to losses. Key indicators include: 1. Long-term performance significantly underperforming peers, necessitating a review over a complete market cycle [30][31]. 2. A shift in investment style, where a fund manager deviates from their stated strategy, indicating a potential gamble rather than a sound investment approach [33]. 3. Departure of a key fund manager, which can lead to a decline in performance if the fund's success was heavily reliant on that individual [36]. Group 4: Risk Management Strategies - The article suggests that while temporary losses are normal, understanding their causes is crucial for effective management. It highlights the human tendency to react emotionally when losses exceed 20% [39]. - To mitigate risks during market downturns, diversifying across different asset classes such as stocks, bonds, and commodities can help reduce overall risk, as these assets often have low correlation [44][50]. - Although diversification may dilute potential gains during strong bull markets, it is presented as a suitable investment strategy for ordinary investors seeking to minimize volatility [52].