New business practices could delay prices coming down for a long time. Certain companies are buying up all the housing they can... mostly foreclosures and the l

New business practices could delay prices coming down for a long time. Certain companies are buying up all the housing they can... mostly foreclosures and the like, because they can offer the cash asking price at the end of the auction. But this puts pressure on prices to stay high by reducing supply. But they've also been buying up real estate on the traditional market too, for rental units.