NEW YORK ( TheStreet) -- Shares of McDermott International Inc (NYSE: MDR) were gapping down Thursday morning with an open price 27% lower than Wednesday's closing price. The stock closed at $14.63 Wednesday and opened today's trading at $10.68. The average volume for McDermott International has been 4.8 million shares per day over the past 30 days. McDermott International has a market cap of $3.3 billion and is part of the industrial goods sector and materials & construction industry. Shares are up 17.8% year to date as of the close of trading on Wednesday. McDermott International, Inc. operates as an engineering, procurement, construction, and installation company worldwide. The company focuses on designing and executing complex offshore oil and gas projects. The company has a P/E ratio of 16.6, above the average materials & construction industry P/E ratio of 16.4 and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates McDermott International as a sell. The company's weaknesses can be seen in multiple areas, such as its deteriorating net income, poor profit margins, weak operating cash flow and generally disappointing historical performance in the stock itself. You can view the full McDermott International Ratings Report. Get more investment ideas from our investment research center. Interested in other stocks that are gapping down? Get free SMS text alerts sent to you when the action happens by texting DOWN to 95370 or select from multiple alert options.