Megacap stocks aren’t all up in 2025. But this chart shows they’ve trounced the S&P 500’s smallest equities. - MarketWatch

1. MSFT's performance is mixed compared to other megacap stocks. 2. Megacap stocks outperform the smallest S&P 500 companies this year. 3. MSFT and others show a divergence in stock performance trends. 4. Overall S&P 500 market is up despite mixed results from big stocks. 5. Larger stocks return 28.2% over 12 months, while smaller stocks drop 30.9%.