Is the diversified portfolio dead? The AI boom has turned an age-old investing rule on its head.
1. AI superstocks dominate, raising concerns about portfolio concentration. 2. S&P 500's value heavily reliant on few tech stocks. 3. Historical data questions the effectiveness of diversification strategies. 4. Majority of actively managed funds underperform S&P 500 benchmarks. 5. Investors may reconsider traditional diversification principles in current market.