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

Stock market up today reason explained: US stocks experienced their strongest surge in months on Tuesday, driven by cautious optimism surrounding potential de-escalation in the Iran conflict. Reports suggesting both sides are open to ending hostilities eased geopolitical tensions, leading to a significant drop in oil prices and a broad market rally, with tech and travel stocks leading the gains.