FILE - In this Aug 26, 2009 file photo, a sold sign is posted outside a recently sold home in Springfield, Ill. Sales of new homes are expected to post a small increase in November for the third month in a row, a sign that the housing market is finally on solid ground. (AP Photo/Seth Perlman, File)AP – Sales of new homes plunged unexpectedly last month to the lowest level since April, a sign the housing market recovery will be rocky.