US stock market adds $1.15 trillion in a single day as AI and geopolitics fuel rally

US stocks today: Wall Street rebounds as AI stocks recover despite Iran war worries

S&P 500 +0.5% as chipmakers rebound (Intel +7.8%), but Oracle crashes 10% despite earnings—market doubts AI spending ROI. ECB raises rates 25bp and producer prices spike amid Iran tensions; Fed futures show 51% October hike risk, tightening IT budgets.