.Japan's Nikkei 225 mark plunges 12.4% as world markets tremor over threats to the US economy The Associated PressGlobal stock rout intensifies with Asia's Nikkei experiencing worst 1 day loss as well as other Eastern markets diving CNNStocks routed in Asia, topple in Europe as markets stress over USA economy after weaker than assumed work report CBS NewsStocks Prepare for Reductions as Economic Condition Worries Strengthen: Markets Wrap Yahoo FinanceMarkets All Over The World Are Disturbed by Fears of Slowing United State Growth The Nyc Moments.