Lumber Liquidators (NYSE:LL) crashed by a breathtaking 21.5% on Thursday after the company announced disappointing financial performance for the second quarter, and reduced guidance for the rest of the year. Investors may want to closely monitor the company in the coming quarters, and performance from big home-improvement retailers such as Home Depot (NYSE:HD) and Lowe's (NYSE:LOW) can provide important information regarding the health of the industry in the medium term.

The slideshow below contains some ideas for investors willing to take a look into Lumber Liquidators in order to evaluate whether the recent crash represents a buying opportunity or whether it's better to stay away from the company at this stage.