ditions are still very favorable but let???s look at the stock market because a lot of people like to compare stocks with real estate and that there was a lot of irrational exuberance as Chairman Greenspan talked about in the stock market, P/E ratios got way out of whack ??? going from 20 to 30 ??? to 200 to 300 -GWEN IFILL: What???s a P/E ratio?DAVID LEREAH: Price/Earnings ratios for companies.