Benchmark S&P 500 rises 1.7 percent, while tech-heavy Nasdaq jumps 3.1 percent.

Stock markets rallied worldwide, and oil prices eased after the United States and Iran reached a tentative deal to get the global flow of crude going again

Asian shares climb with Japan’s Nikkei nearing record close

Major Wall Street indexes surged at the open on Monday following a preliminary agreement between Washington and Tehran to resolve the Middle East conflict and reopen the Strait of…