.Japan's Nikkei 225 index dives 12.4% as world markets tremble over risks to the United States economy The Associated PressGlobal inventory rout heightens along with Japan's Nikkei suffering worst someday reduction and also other Eastern markets dropping CNNStocks transmitted in Asia, tumble in Europe as markets fret over united state economic condition after weaker than expected projects mention CBS NewsStocks Set for Losses as Economic Situation Anxieties Strengthen: Markets Wrap Yahoo FinanceMarkets Around the World Are Actually Shaken by Worries of Slowing USA Growth The New York Moments.