In this Tuesday, April 16, 2013, photo, Glenn Kessler, right, works on the floor of the New York Stock Exchange.World stock markets were mostly lower Tuesday April 23, 2013 after China's manufacturing... more 
In this Tuesday, April 16, 2013, photo, Glenn Kessler, right, works on the floor of the New York Stock Exchange.World stock markets were mostly lower Tuesday April 23, 2013 after China's manufacturing growth slowed in April, adding to worries about the health of the world's second-largest economy. (AP Photo/Richard Drew) less 
1 / 30
Associated Press | Photo By Richard Drew
Tue, Apr 23, 2013 8:09 AM EDT