.Japan's Nikkei 225 index plunges 12.4% as planet markets tremble over dangers to the United States economic climate The Associated PressGlobal supply thrashing increases with Asia's Nikkei suffering worst one day reduction and other Asian markets plunging CNNStocks transmitted in Asia, topple in Europe as markets fret over USA economic climate after weak than assumed work disclose CBS NewsStocks Set for Reductions as Economic Condition Worries Strengthen: Markets Cover Yahoo FinanceMarkets Worldwide Are Actually Disturbed through Anxieties of Slowing U.S. Growth The New York Times.