美股重要指数及成分股表现分析

Group 1 - The S&P 500 Index has an average annual return of 10.26% since its inception in 1957, covering approximately 83% of the total market capitalization in the U.S. and over 50% of the global stock market [1] - The Nasdaq-100 Index has grown approximately 194 times since its launch in 1985, with an annualized return of 13.7%, and has shown a 30-year annualized return of 13.44% and an 18.56% return over the past 10 years [2] - The Dow Jones Industrial Average serves as a key indicator of the overall health of the economy and the market, comprising 30 large industrial companies from various sectors [2] Group 2 - The performance of the U.S. stock market in 2025 shows strong upward momentum, particularly among the top 30 stocks that have gained the most, which include companies with high market capitalization and dividend yields [3] - Investors are advised to focus on a diversified asset allocation strategy to maximize returns, with professional wealth management services available to assist in navigating market changes [3] - Rational investment and scientific decision-making are emphasized as crucial for future success in a complex and changing market environment [3]