.Asia's Nikkei 225 mark drops 12.4% as world markets tremor over threats to the US economy The Associated PressGlobal stock rout heightens with Japan's Nikkei experiencing worst someday reduction and various other Asian markets dropping CNNStocks transmitted in Asia, topple in Europe as markets fuss over U.S. economic condition after weaker than anticipated work state CBS NewsStocks Prepare for Losses as Economic Situation Concerns Strengthen: Markets Wrap Yahoo FinanceMarkets All Over The World Are Actually Abashed by Concerns of Slowing USA Growth The The Big Apple Times.