.Asia's Nikkei 225 index plunges 12.4% as planet markets tremble over risks to the US economic situation The Associated PressGlobal sell rout magnifies with Japan's Nikkei going through worst someday loss as well as other Eastern markets dropping CNNStocks directed in Asia, tumble in Europe as markets fret over USA economic situation after weaker than expected jobs state CBS NewsStocks Specify for Reductions as Economy Concerns Strengthen: Markets Wrap Yahoo FinanceMarkets Around the World Are Abashed through Worries of Slowing USA Development The Nyc Times.