NEW YORK ( TheStreet) -- Layne Christensen Company (Nasdaq: LAYN) is trading at unusually high volume Friday with 586,196 shares changing hands. It is currently at four times its average daily volume and trading up 78 cents (+3.8%) at $21.06 as of 3:30 p.m. ET. Layne Christensen has a market cap of $437.4 million and is part of the industrial goods sector and materials & construction industry. Shares are down 16.2% year to date as of the close of trading on Thursday. Layne Christensen Company provides drilling, water treatment, and construction services, and related products to water infrastructure and mineral exploration markets. The company has a P/E ratio of 9.8, below the average materials & construction industry P/E ratio of 10.6 and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Layne Christensen as a hold. The company's strengths can be seen in multiple areas, such as its revenue growth, attractive valuation levels and largely solid financial position with reasonable debt levels by most measures. However, as a counter to these strengths, we also find weaknesses including weak operating cash flow, poor profit margins and a generally disappointing performance in the stock itself. You can view the full Layne Christensen Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center.