智通财经网·2025-12-20 07:22Core Insights - The article discusses a resurgence of traditional diversified investment strategies centered around index ETFs amidst an unprecedented AI investment boom in 2025, highlighting the strong performance of diversified asset allocation compared to concentrated bets on major tech stocks [1][3]. Group 1: Market Trends - In 2025, there is a noticeable rotation in global stock markets from tech stocks to value and cyclical sectors, indicating a shift towards diversified investment strategies that have generated significant excess alpha returns [1][3]. - Major Wall Street institutions, including Goldman Sachs and Morgan Stanley, predict a continued rotation in 2026 towards traditional value stocks, small caps, and cyclical sectors, suggesting that non-tech stocks may yield better returns than popular AI tech stocks [2][3]. Group 2: Performance of Investment Strategies - A simple stock-bond portfolio achieved double-digit gains in 2025, marking the best year since 2019, while multi-asset quantitative strategies significantly outperformed the S&P 500 index [4]. - Cambria Investments' ETF, which covers a broad range of global stocks, recorded its best annual performance, benefiting from strong gains in international markets outside the U.S. [4][11]. Group 3: Investor Behavior - Despite the strong performance of diversified strategies, there is a continued trend of investors moving away from these strategies, with diversified asset funds experiencing net outflows for 13 consecutive quarters [5][9]. - The article notes that while funds are flowing into pure equity and bond funds, the traditional diversified strategies remain out of favor among retail investors [9][21]. Group 4: Future Outlook - Analysts expect a broader bull market in 2026, with a focus on cyclical stocks benefiting from a "rolling recovery" phase in the U.S. economy, driven by improved corporate earnings and a favorable macroeconomic environment [15][18]. - The anticipated economic policies under the Trump administration are expected to favor commodity investments, suggesting a shift in investment paradigms towards fiscal expansion and de-globalization [20].