Core Insights - The article highlights the significant disparity in investment outcomes among investors who employed a systematic investment strategy in index funds, with over 60% of investors in the CSI 300 index experiencing losses, averaging an 8.7% decline, while a different group achieved a 12% annualized return [1][3]. Group 1: Investment Strategy Errors - Investors commonly made two critical mistakes: selecting the wrong assets and mismanaging investment timing [1][3]. - Many investors fell into the "chasing hot spots" trap, investing in high-volatility sectors like renewable energy and semiconductors, which led to substantial losses [3][4]. - For instance, a renewable energy index fund saw its net value drop from 2.5 yuan in September 2022 to 1.8 yuan in August 2025, resulting in an 11% loss for consistent investors [3][4]. Group 2: Comparison of Investment Outcomes - Broad-based index funds, such as the CSI 300, emerged as the "winners" in systematic investment strategies, yielding a 5.2% annualized return despite market downturns [4][10]. - In contrast, thematic funds averaged a -3.8% return during the same period, underscoring the importance of asset selection [4][10]. Group 3: Valuation Considerations - A common error among investors was neglecting valuation, leading to blind investments without considering price rationality [6][7]. - The CSI 300 index experienced significant valuation fluctuations, with its price-to-earnings ratio ranging from 12 to 15 during the investment period, affecting returns based on timing of investments [6][7]. - An investor who adjusted their investment based on valuation metrics achieved a 14% profit, while another who did not lost 5% [6][10]. Group 4: Recommendations for Improvement - To enhance investment outcomes, investors should prioritize selecting "evergreen" assets and avoid sectors with high cyclicality or rapid technological changes [4][12]. - Implementing a dynamic investment strategy based on valuation metrics can significantly reduce average costs and improve returns [7][10]. - Investors are advised to regularly assess their investment choices and adjust their strategies according to market conditions and asset valuations [12].

Market Performance - On September 17, the market showed a strong rebound with major indices recovering from earlier lows, leading to over 2,500 stocks rising across the market [1] - The trading volume in the Shanghai and Shenzhen markets reached 2.38 trillion yuan, an increase of 35.3 billion yuan compared to the previous trading day [1] Fund Performance Top Performing Funds - The top performing fund for the day was Jin Xin Selected Growth A, with a daily net value growth rate of 7.71% and a year-to-date return of 46.49% [2] - Other notable funds included Jin Xin Stable Strategy A with a 7.47% daily increase and a year-to-date return of 42.4%, and Jin Xin Industry Preferred A with a 7.45% daily increase and a year-to-date return of 44.69% [2] Underperforming Funds - The worst performing fund was Qianhai Kaiyuan Gold and Silver Jewelry A, which saw a daily net value decrease of 2.5% but still had a year-to-date return of 65.42% [3] - Other underperformers included Huafu Yongxin A with a -2.41% daily return and a year-to-date return of 67.93%, and Yin Hua Tong Li Selected with a -2.15% daily return and a year-to-date return of 49.47% [3] Bond Fund Performance - The top performing bond fund was Bosera Pu Hui One-Year Holding A, with a daily net value growth rate of 2.18% and a year-to-date return of 25.8% [4] - Other notable bond funds included Golden Eagle Yuan Feng A with a 2.17% daily increase and a year-to-date return of 31.11%, and ICBC Balanced Return 6-Month Holding A with a 1.9% daily increase and a year-to-date return of 10.37% [4] Company News - Tianpu Co., Ltd. announced that its stock trading suspension for verification has been completed, and it will resume trading on September 18, 2025 [5] - The company had previously experienced a continuous rise in stock price for 11 trading days, leading to a halt for verification of trading anomalies [5]