NEW YORK ( TheStreet) -- Shares of NCI Building Systems (NYSE: NCS) were gapping down Thursday morning with an open price 12.4% lower than Wednesday's closing price. The stock closed at $9.53 Wednesday and opened today's trading at $8.35. The average volume for NCI Building Systems has been 131,500 shares per day over the past 30 days. NCI Building Systems has a market cap of $203.9 million and is part of the industrial goods sector and materials & construction industry. Shares are down 8% year to date as of the close of trading on Wednesday. NCI Building Systems, Inc. engages in the manufacture and marketing of metal products primarily for the nonresidential construction industry in North America. TheStreet Ratings rates NCI Building Systems as a sell. The company's weaknesses can be seen in multiple areas, such as its weak operating cash flow, generally disappointing historical performance in the stock itself and poor profit margins. You can view the full NCI Building Systems Ratings Report. Get more investment ideas from our investment research center.