US stock market today: Wall Street rebounds as oil slides after US-Iran deal; S&P 500, Nasdaq rise over 1%

US stocks rebounded on Thursday, recovering previous losses as falling oil prices and easing Treasury yields boosted investor sentiment following a US-Iran agreement to end hostilities. Technology stocks led the gains, with Intel surging after a manufacturing deal. European markets traded lower, while Asian markets, particularly Japan and South Korea, reached record highs.