.Asia's Nikkei 225 index drops 12.4% as world markets tremble over threats to the United States economic condition The Associated PressGlobal supply rout boosts with Asia's Nikkei experiencing worst eventually loss and other Asian markets plunging CNNStocks transmitted in Asia, roll in Europe as markets fuss over USA economic climate after weak than anticipated tasks report CBS NewsStocks Specify for Reductions as Economic Condition Worries Strengthen: Markets Wrap Yahoo FinanceMarkets Around the World Are Actually Shaken through Concerns of Slowing USA Development The New York Times.