NEW YORK ( TheStreet) -- Lumber Liquidators Holdings Inc (NYSE: LL) is trading at unusually high volume Friday with 1.4 million shares changing hands. It is currently at 4.1 times its average daily volume and trading up $1.46 (+6.5%) at $23.86 as of 3:42 p.m. ET. Lumber Liquidators has a market cap of $640.3 million and is part of the services sector and retail industry. Shares are down 10.1% year to date as of the close of trading on Thursday. Lumber Liquidators Holdings, Inc. operates as a specialty retailer of hardwood flooring in the United States. The company has a P/E ratio of 24.9, equal to the average retail industry P/E ratio and above the S&P 500 P/E ratio of 16.4. TheStreet Ratings rates Lumber Liquidators as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, good cash flow from operations, largely solid financial position with reasonable debt levels by most measures and expanding profit margins. We feel these strengths outweigh the fact that the company has had lackluster performance in the stock itself. You can view the full Lumber Liquidators Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center. Interested in other stocks that are rising on unusually high volume? Get free SMS text alerts sent to you when the action happens by texting HVUP to 95370 or select from multiple alert options.