Dive summary:

• The third time through the numbers by the folks at the Bureau of Economic Analisys pegged the growth in the U.S. gross domestic product at 1.8% for January, February and March, which is down a good bit from their first crack at the calculations: 2.4%.
• Commercial real estate spending was among the shrinking growth factors as more hard data was reported, even though imports (which count against GDP) went down, too.
• The change might have an upside for the home-building industry, however, because it makes the Federal Reserve's target economic growth for the year less likely to happen, which might change plans to reduce bond buying that has kept interest rates low, which might mean that mortgage rates will stop rising and scaring off buyers.

From the article:

The Fed predicts that real GDP growth for 2013 will come in between 2.3 percent and 2.6 percent, and while that’s still possible, the recent revision makes it less likely. ...