ANSS. ANSYS Listed On Software 500 Index For Sixth Consecutive Year Engineering Simulation Software Provider Recognized as One of the World's Largest Software Companies http://finance.yahoo.com/news/ansys-listed-software-500-index-112500397.html stockcharts.com/c-sc/sc?s=ANSS&p=W&yr=1&mn=0&dy=0&i=t51544782806&r=1348140527668