Dow jumps 1,100 points, S&P 500 and Nasdaq post biggest gains since May - why is the stock market up today and here's the latest update on Iran war that investors need to know

: US stocks surged on Tuesday, delivering their strongest performance in months as investor sentiment shifted from fear to cautious hope. The rally came as new reports suggested there could be a possible path toward ending the war with Iran, easing some of the tension that has been weighing heavily on global markets.US Stock Market Today: Dow, S&P, and Nasdaq Post Biggest Gains in MonthsThe Dow Jones Industrial Average jumped more than 1,100 points, closing at 46,341.51. The S&P 500 climbed 2.91% to 6,528. ...