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'

 

              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
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)