Dow Jones plunged 512 points on August 4, 2011，The largest point drop since December 2008。Many Asian traders think，Italy is the trigger of bet365 voucher round of global stock market crash。Ten-year Italian and Spanish government bond yields have remained above 6% bet365 voucher week，Close to the critical point of collapse。Although there was no obvious bad news in the US market on August 4，But when the European plunge was passed on to the US market，The U.S. stock market has also begun to dive high。The market is worried that U.S. policymakers cannot return the economy to high growth、The right track for high employment。Companies are hoarding cash to prepare for possible panic，Unwilling to make new investments，Not willing to provide new jobs；Banks hold cash and are unwilling to lend，Restricts business development and personal consumption，simultaneously，Banks that don’t lend are unwilling to accept more deposits，Because you need to pay high interest for bet365 voucher。These may lead to further inflows into the U.S. Treasury market，Push up its price。Krugman pointed out: “The signal sent by the price of government bonds is，The U.S. economy will perform very badly，A double recession is likely。”Former Merrill Lynch North America Chief Economist David Rosenberg believes，The problem will be more serious bet365 voucher time，Because of bet365 voucher productivity level、Employment and income levels are below pre-recession levels。(Wu Xiaopeng Source: "21st Century Economic Report" August 8, 2011Sun Sanbai/pick)