.Asia's Nikkei 225 mark dives 12.4% as world markets tremor over risks to the United States economic situation The Associated PressGlobal sell thrashing escalates with Asia's Nikkei enduring worst eventually loss and other Eastern markets dropping CNNStocks directed in Asia, roll in Europe as markets fret over united state economy after weak than expected projects disclose CBS NewsStocks Establish for Losses as Economic Condition Anxieties Deepen: Markets Cover Yahoo FinanceMarkets Worldwide Are Actually Rattled through Fears of Slowing United State Growth The Nyc Moments.