.Japan's Nikkei 225 index plunges 12.4% as world markets shiver over dangers to the United States economic climate The Associated PressGlobal supply thrashing escalates along with Asia's Nikkei experiencing worst 1 day loss and other Asian markets dropping CNNStocks directed in Asia, topple in Europe as markets fuss over U.S. economic situation after weak than expected tasks mention CBS NewsStocks Specify for Reductions as Economy Anxieties Grow: Markets Wrap Yahoo FinanceMarkets All Over The World Are Discomposed by Worries of Slowing United State Development The New York Times.