las vegas, in the epicenter of the crash, up a hundred percent. how can that be? all about supply and demand. diana has the story. diana? >> mandy, seems like las vegas went to the waste land of abandoned construction lot and foreclosed home to a building and feeding frenzy. why? incredible demand and supply. demand is from investors looking for cheap investments to rent out. >> the kpe stigs fierce. obviously as the invest oor started realizing this is a good market to be in with having a long-term vision, then more and more buyers, investors, cash buyers came on board. so it is very difficult. >> gonzalez has bought 80 vegas homes in the last year. bulk of which he is holding and renting, waiting for prices to rise even more. they are currently up nearly 13% from a year ago. a new nevada law criminalizing faulty foreclosures brought banks it a halt. >> on every property i make it seems like we have multiple offers. continuously. and all cash offers. all close in five days. it is very difficult to find good deals. >> if you're an cash investors, forget it. that's why demand is surging for new homes. big public names like kb homes, lenar, ryland, they are moving back into vegas with a vengeance. >> from one weekend to another, $50,000. when does that stop? does it bubble up again? >> right now, about 4,000 homes are for sale in vegas. about half the normal amount. but over 6,000 investor-owned homes for rent. that's five times the normal number. what happens to the market when investors start cashing in on higher price answers selling all those rentals? for more, go to realtycheck.cnbc.com. >> thank you. >>> are they sustainable though and is this a sign of recovery in housing? let's ask chief economist,ed i want it focus particularly on asking prices. not the final price but the asking price. i understand there are 7% in february year over year. how sustainable and how healthy is? >> it is a strong leaneding indicator of where sales prices are going. where there are big increases in asking prices like phoenix, las detroit, those increases aren't supported by market fundamentals. we are not seeing either strong job growth or vacancy rates in those markets and there are foreclosures left to come. but in other markets seeing big price increases, those are supported by market fundamentals in san francisco, seattle, and denver. we are seeing those strong prices getting supported by strong job growth with relatively few to come. >> it is like al. but if general if you can take percentage of those prices ended up having to be cut, do you think? >> asking prices are still quite strong. er with seeing a lot of bidding wars because inven tore i have so tight. we see buyers, particularly in california and the west, chasing after fewer and fewer homes for sale listed. >> this is what i don't get. we always hear this, right? inventory is tight. if you see sale prices and asking prices rise, wouldn't you, if you have a home to sale, person on the market? >> you might not do it yet. remember, nationally askin