A trading floor manager works on the floor of the American Stock Exchange (AMEX) at the New York Stock Exchange (NYSE) in New York, US, on Monday, May 4, 2026. Michael Nagle | Bloomberg | Getty Images LONDON — European stocks are expected to open mostly lower on Tuesday as investors digest the latest developments in the Iran war. The U.K.'s FTSE index is seen opening flat, Germany's DAX and France's CAC 40  down 0.4%, respectively, and Italy's FTSE MIB 0.1% lower, according to data from IG. Global markets were shaken Monday as a fragile  ceasefire  between the U.S. and Iran appeared to be close to collapse as the United Arab Emirates came under attack from Iranian drones and missiles, and the U.S. said it sank Iranian boats in the Strait of Hormuz. Read more President  Donald Trump , in a  Fox News  interview later Monday, warned Iran that it will be "blown off the face of the earth" if it targets U.S. ships that are protecting commercial vessels transiting the strait.…