.Asia's Nikkei 225 index drops 12.4% as planet markets tremor over dangers to the United States economy The Associated PressGlobal sell rout boosts with Japan's Nikkei going through worst 1 day loss and other Oriental markets dropping CNNStocks transmitted in Asia, tumble in Europe as markets worry over USA economic situation after weak than assumed work disclose CBS NewsStocks Specify for Reductions as Economic Climate Concerns Strengthen: Markets Cover Yahoo FinanceMarkets Around the World Are Actually Rattled by Fears of Slowing United State Development The New York City Moments.