US stocks today: Dow surges 400 points, S&P, Nasdaq over 1% higher on Mideast de-escalation hopes by ET Markets | March 31, 2026 8:09 pm | Indian Stocks, Market, News Wall Street’s main indexes opened higher on Tuesday, as markets welcomed a report signaling potential de-escalation in the Middle East conflict that has set the S&P 500 and the Dow on track for their biggest monthly decline in years.
