Data released Tuesday showed prices rose in May in 16...

Data released Tuesday showed prices rose in May in 16 of 20 cities tracked. (July 20, 2011) Credit: Bloomberg News

WASHINGTON -- Home prices rose for the second straight month in most major U.S. cities and are stabilizing after years of declines. But analysts say the trend in prices hardly signals a rebound for the troubled housing market.

A flurry of spring buyers is helping boost sales. At the same time, millions of foreclosures are in limbo, awaiting the results of a government investigation into improper practices by mortgage lenders. Once that probe is complete, banks will resume seizing homes and prices will likely fall again, analysts said.

The Standard & Poor's/Case-Shiller home-price index released Tuesday showed that prices rose in May in 16 of the 20 cities tracked.

Boston, Minneapolis and Washington, D.C., posted the biggest monthly increases. Prices in Detroit, Las Vegas and Tampa, Fla., fell to their lowest points since the recession began.

Price declines have been getting smaller through the year. Seasonally adjusted prices have fallen a modest 1.2 percent over the past six months, according to the index. That's roughly a third of the decline from the previous six months.

But analysts say the weakening job market and uncertainty over foreclosures could lead to deeper price declines in the second half of the year. They estimate prices will fall another 5 to 10 percent by year's end.

Housing remains a weak link in the economy. High unemployment, larger down payment requirements and tighter credit are preventing many buyers from entering the market. Many who can afford to buy are waiting because they are worried prices have yet to hit bottom.

Foreclosures and short sales -- when a lender agrees to sell for less than what is owed on a mortgage -- made up about 30 percent of all home sales last month, up from about 10 percent in past years. And 1.7 million potential foreclosures are being held up, according to real estate firm CoreLogic, either by backlogged courts or lenders awaiting state and federal probes into troubled foreclosure practices.

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