Chinese investors monitor stock prices at the Zhong Xin securities stock trading house in Beijing, China, Friday, Aug. 5, 2011. Asian stock markets tumbled Friday amid fears the U.S. may be heading ... more 
Chinese investors monitor stock prices at the Zhong Xin securities stock trading house in Beijing, China, Friday, Aug. 5, 2011. Asian stock markets tumbled Friday amid fears the U.S. may be heading back into recession and Europe's debt crisis is worsening. (AP Photo/Andy Wong) less 
1 / 1
Associated Press | Photo By Andy Wong
Fri, Aug 5, 2011 1:16 AM EDT