FRANKFURT, Germany, Aug. 8 (UPI) -- European and Asian stocks dropped Monday ahead of Wall Street's opening bell on Europe's runaway debt crisis and the U.S. government's first credit downgrade. British, German and French stock indexes fell more than 2 percent in early-morning trading following a daylong slide in Asian markets. In late-afternoon trading Tokyo's Nikkei 225 index was down nearly 3 percent, Hong Kong's Hang Seng index was down more than 4 percent and Australia's Standard & Poor's/ASX 200 index down more than 3 percent. Seoul's Korea Composite Stock Price Index plummeted more than 7 percent at one point,...