.Asia's Nikkei 225 index drops 12.4% as world markets shiver over threats to the US economy The Associated PressGlobal sell rout boosts along with Asia's Nikkei going through worst 1 day loss and other Asian markets diving CNNStocks routed in Asia, tumble in Europe as markets worry over united state economy after weaker than anticipated jobs disclose CBS NewsStocks Set for Reductions as Economic Climate Concerns Strengthen: Markets Wrap Yahoo FinanceMarkets Around the World Are Shaken through Anxieties of Slowing United State Development The New York Moments.