.Asia's Nikkei 225 mark drops 12.4% as world markets tremble over dangers to the United States economic situation The Associated PressGlobal inventory thrashing intensifies with Japan's Nikkei experiencing worst someday loss and other Eastern markets dropping CNNStocks directed in Asia, topple in Europe as markets stress over USA economic climate after weaker than anticipated jobs mention CBS NewsStocks Prepare for Reductions as Economy Worries Deepen: Markets Cover Yahoo FinanceMarkets Around the World Are Actually Disturbed through Worries of Slowing U.S. Growth The New York City Times.