Are Banks `Hoarding Foreclosures'?

``Some markets are seeing a decrease in inventory of for-sale homes, which has helped lift home prices in some areas due to an increase in demand but limited supply. But real estate professionals say they're concerned what will be temporary when banks start releasing more foreclosures to the market. Some have accused banks of purposely holding onto foreclosures to wait for home prices to recover so that they can get higher returns for the homes, but real estate experts are concerned that could stall the housing recovery.  ''