.Asia's Nikkei 225 mark drops 12.4% as world markets tremble over risks to the United States economic situation The Associated PressGlobal sell rout increases with Asia's Nikkei experiencing worst one day loss as well as various other Eastern markets diving CNNStocks routed in Asia, topple in Europe as markets worry over united state economic situation after weak than anticipated tasks disclose CBS NewsStocks Prepare for Losses as Economic Climate Concerns Strengthen: Markets Wrap Yahoo FinanceMarkets Around the World Are Actually Abashed through Concerns of Slowing United State Growth The New York Moments.