Dow left behind as S&P 500 soars to record after record. What gives? - MarketWatch

1. S&P 500 records fifth consecutive historic close this week. 2. Dow Jones remains below 2025 record, reflecting its stock composition. 3. S&P 500's tech exposure is significantly higher than the Dow's. 4. Recent rally indicates a healthy market with broader participation. 5. Near-term consolidation may be beneficial, but outlook remains positive.