Wall Street suffered an early wave of selling at Tuesday's open as the bulls retreated amid uneasiness over North Korea's attack on South Korea and continued debt jitters in Europe. Today's Markets As of 9:33 a.m. ET, the Dow Jones Industrial Average fell 100.58 points, or 0.90%, to 11077.01, the Standard & Poor's 500 slid 12.36 points, 1.03%, to 1185.35 and the Nasdaq Composite dropped 26.33 points, or 1.04%, to 2505.64. The FOX 50 lost 8.08 points, or 0.94%, to 851.50. The early nervousness fueled a flight to the relative safety of the U.S. dollar, which surged against the euro, putting further pressure on dollar-traded commodities and companies that rely heavily on exports. Geopolitical worries continue to divert Wall Street's attention from the domestic front, overshadowing Hewlett-Packard's (NYSE: