http://www.multpl.com/atom S&P 500 PE Ratio 2012-05-16T16:32:00-04:00 http://www.multpl.com/ http://www.multpl.com/2012-05-16/ 2012-05-16T16:33:01-04:00 2012-05-16T16:33:01-04:00 S&P 500 PE Ratio <p><b>Current S&amp;P 500 PE Ratio:</b> 21.34 -0.09 (-0.44%)</p> <p>At market close 4:32 pm EDT, Wed May 16</p>