Stocks surged on Tuesday, with the S&P 500 closing up 2.9% while the Nasdaq rose 3.8% and the Dow gained 1,125 points. But this very good day capped off what was a very bad month for U.S. equities. The S&P 500 fell 5.09% in March, and the Nasdaq Composite declined 4.75%. The U.S.-Israeli war on Iran and the near-total blockade of the Straits of Hormuz, a narrow, Iranian controlled waterway through which a fifth of the world's crude oil typically transits every day, weighed heavily on markets