Editor's Note: TheStreet ratings do not represent the views of TheStreet's staff or its contributors. Ratings are established by computer based on metrics for performance (which includes growth, stock performance, efficiency and valuation) and risk (volatility and solvency). Companies with poor cash flow or high debt levels tend to earn lower ratings in our model All three major indices are trading down today with the Dow Jones Industrial Average ( ^DJI) trading down 6 points (0.0%) at 14,695 as of Friday, April 26, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 953 issues advancing vs. 1,941 declining with 134 unchanged. The Materials & Construction industry currently sits down 0.45 versus the S&P 500, which is down 0.43. A company within the industry that increased today was Darling International ( DAR), up 4.31. TheStreet Ratings group would like to highlight 3 stocks pushing the industry lower today: 3. Vulcan Materials Company ( VMC) is one of the companies pushing the Materials & Construction industry lower today. As of noon trading, Vulcan Materials Company is down $1.37 (-2.9%) to $46.05 on heavy volume Thus far, 512,533 shares of Vulcan Materials Company exchanged hands as compared to its average daily volume of 658,100 shares. The stock has ranged in price between $46.03-$47.36 after having opened the day at $47.36 as compared to the previous trading day's close of $47.42. Vulcan Materials Company engages in the production and sale of construction aggregates, as well as asphalt mix, ready-mixed concrete, and cement primarily in the United States. The company operates in four segments: Aggregates, Concrete, Asphalt Mix, and Cement. Vulcan Materials Company has a market cap of $6.2 billion and is part of the industrial goods sector. Shares are down 8.9% year to date as of the close of trading on Thursday. TheStreet Ratings rates Vulcan Materials Company as a hold. The company's strengths can be seen in multiple areas, such as its solid stock price performance, impressive record of earnings per share growth and compelling growth in net income. However, as a counter to these strengths, we find that the company's profit margins have been poor overall. Get the full Vulcan Materials Company Ratings Report now. Exclusive Offer: Jim Cramer's 'go-to' small/mid-cap guru Bryan Ashenberg only buys stocks he thinks could return 50-100%. See his top picks for 14-days FREE.