.Asia's Nikkei 225 index drops 12.4% as planet markets shiver over risks to the United States economic situation The Associated PressGlobal sell thrashing heightens with Japan's Nikkei suffering worst one day reduction and also other Asian markets diving CNNStocks directed in Asia, topple in Europe as markets fret over united state economic climate after weaker than expected jobs state CBS NewsStocks Set for Reductions as Economic Climate Worries Deepen: Markets Cover Yahoo FinanceMarkets All Over The World Are Actually Shaken by Concerns of Slowing U.S. Development The The Big Apple Times.