.Japan's Nikkei 225 index plunges 12.4% as planet markets shiver over threats to the United States economy The Associated PressGlobal sell rout heightens along with Asia's Nikkei enduring worst 1 day reduction as well as other Oriental markets plunging CNNStocks transmitted in Asia, roll in Europe as markets fret over united state economic situation after weaker than anticipated work mention CBS NewsStocks Specify for Reductions as Economic Situation Fears Deepen: Markets Cover Yahoo FinanceMarkets Worldwide Are Abashed by Worries of Slowing U.S. Growth The Nyc Times.