Stock Market Today: Dow Climbs as Tech Drags Nasdaq Lower; Global Markets React to Postponed Iran Strikes and Mammoth $66B Utility Deal | #stock Market Today # Dow Jones # Nasdaq # S&P 500 # Nvidia Earnings # Dominion Energy # NextEra Energy # Trump Iran News # US Treasury Yields # Crude Oil Prices # Regeneron Stock # Stock Market News 2026