沪指站上3700点，创十年新高，高净值用户应该如何优化投资组合？

Core Viewpoint - The article discusses the recent performance of the A-share market, highlighting the Shanghai Composite Index's rise above 3700 points, marking a ten-year high, and the significant increase in trading volume and financing balance, indicating a shift in investor sentiment towards equities [2][4]. Group 1: Market Performance - On August 18, 2025, the Shanghai Composite Index closed at 3728.03 points, officially surpassing the 3700 mark and reaching a ten-year high [2]. - The daily trading volume of the Shanghai and Shenzhen markets has exceeded 2 trillion yuan, a level not seen since November of the previous year [2]. - The financing balance has returned to 2 trillion yuan for the first time in ten years, reflecting an increase in investor risk appetite and a migration of household deposits to equity markets [2]. Group 2: Investment Strategies - The article emphasizes the importance of strategy selection over individual fund selection in private equity investment, suggesting that asset allocation is the primary contributor to portfolio performance [4]. - The quantitative long strategy index has shown the best performance among private equity strategies, with a return of 30.05% from August 5, 2022, to the present [5]. - The article suggests that investors should consider reallocating their portfolios, particularly moving from high-valuation indices to strategies that offer better safety margins, such as the CSI 300 index or dividend-enhanced products [5][16]. Group 3: Subjective Long Strategies - The subjective long strategy index has achieved a return of 30.56% over the past year, making it the second-best performing strategy after the quantitative long strategy [8]. - The article notes that the subjective long strategy has regained attention after a year of recovery, with opportunities emerging in sectors like banking, gold, and new consumption [8][9]. - There is a noted increase in the correlation of subjective long strategies with the Hong Kong stock market, particularly after the introduction of equal tariffs between China and the U.S. [13].