市场主线不明晰时，中证A500以均衡之道穿越周期

Group 1 - The A-share market is currently characterized by significant industry rotation and frequent shifts in hot sectors, leading to a lack of sustained leading themes [1] - Investors chasing hot sectors may find themselves in a "misstep" situation, suggesting a strategy of stability through allocation to broad-based indices like the CSI A500 to smooth volatility and capture overall market opportunities [1][7] - Historical data shows that approximately 43.8% of the time each year, the market lacks a clear investment theme, indicating that the market is often in a state of ambiguity [3][5] Group 2 - In a chaotic market phase, funds circulate among different sectors without a long-term commitment, making it difficult for any single industry to maintain a sustained trend [5] - A strategy of following the best-performing industry weekly has proven ineffective, as it underperformed compared to broad-based indices like the CSI A500 and CSI 300 during the market's turbulent period from November 2025 onwards [5][6] - The CSI A500 index is highlighted as a preferred tool for navigating the current market environment due to its broad industry coverage and balanced distribution, aligning with the long-term direction of China's economic transformation [8][10] Group 3 - The CSI A500 index is designed to reflect a more balanced industry distribution compared to traditional indices like the CSI 300, with increased weights in new economy sectors such as industrials (22.6%) and information technology (17.4%) [8][12] - The index serves as a core component in investment strategies, providing stability during turbulent markets and complementing high-risk assets in a balanced portfolio [10] - The A500 ETF by E Fund, with a scale of 26.331 billion yuan as of December 19, 2025, offers a convenient and efficient tool for investors to gain exposure to the CSI A500 index [11]