Prices are always adjusting no matter what market they are describing... Thus a 20% adjustment is quite normal...given the froth and easier allowances in the mortgage market...which is mostly causal in home prices... The home mortgage businesses are finding out futures type leverage works both ways...and will also find out what price discovery actually means.... http://www.bloomberg.com/apps/news?pid=20601087&sid=aQUrHEhPwpZU&refer=home Just another market...