Program Trading Avg'd 54.2% of NYSE Volume for May 16-20 <A HREF="http://www.nyse.com/Frameset.html?displayPage=%2Fmarketinfo%2FProgramTrading.html" target="_blank">http://www.nyse.com/Frameset.html?displayPage=%2Fmarketinfo%2FProgramTrading.html</A> View the Top 15 Most Active <A HREF="http://www.nyse.com/pdfs/pt52605.pdf" target="_blank">http://www.nyse.com/pdfs/pt52605.pdf</A>