While a lot of attention is paid to new-home construction, the reality is, existing-home sales is a critical metric for companies like Tile Shop Holdings (NASDAQ:TTS)Lumber Liquidators (NYSE:LL), and Trex Co (NYSE:TREX)

Lumber Liquidators' recent downward revision of its guidance for the year sent its shares lower, and led one analyst to revise his projections for Tile Shop Holdings down on an expectation of correlation between their comp sales, even though Tile Shop won't announce earnings until early August. Trex, however, was recently upgraded by one analyst, and its stock has rebounded. 

In the short video below, Motley Fool contributor Jason Hall gives some insight into housing data. Does the most recent data indicate good things ahead? Check out the video for Jason's take.