U.S. stocks rallied as falling oil futures, driven by hopes of a resumption in U.S.-Iran negotiations, fueled a relief rally in high-risk technology shares. The Nasdaq Composite jumped 599.55 points, or 2.26%, to 27122.09, marking its first record close since June 2, according to Dow Jones Market Data. The S&P 500 gained 1.49% to 7764.70, while the Dow Jones Industrial Average rose 0.71% to 52048.83.