US stock market today surged sharply, with the Dow Jones Industrial Average jumping 1,200 points, while the S&P 500 and Nasdaq Composite gained over 2%. This rally followed ceasefire optimism after US President Donald Trump signaled easing US-Iran tensions. Oil prices crashed more than 16%, reducing inflation fears instantly. Investors rushed back into equities as risk sentiment improved. Global markets also rallied strongly. Lower oil, weaker dollar, and easing geopolitical risks together powered this sharp US stock market rally today.