Dow SP 500 Nasdaq Futures Dip as USIran Negotiations Create Uncertainty Memorial Day Weekend Flight Delays Impact Major US Airports Including Chicago OHare and San Francisco Texas Senator John Cornyn Faces 109 Million Ad Spending Surge After Trump Criticism Dow Rises as Defensive Sectors Outperform Tech Weighs on SP 500 AIDriven Layoffs Stock Boost May Be Illusory Data Suggests UK Exports to US Plunge 25 Following Trump Liberation Day Tariffs UK Now Faces Trade Deficit with Largest Partner Bill Gates Foundation Exits Microsoft Stake as Bill Ackman Doubles Down