Editor's Note: Any reference to TheStreet Ratings and its underlying recommendation does not reflect the opinion of TheStreet, Inc. or any of its contributors including Jim Cramer or Stephanie Link. Two out of the three major indices are trading lower today with the Dow Jones Industrial Average ( ^DJI) trading up 48 points (0.3%) at 16,465 as of Friday, Jan. 17, 2014, 11:55 AM ET. The NYSE advances/declines ratio sits at 1,451 issues advancing vs. 1,447 declining with 177 unchanged. The Materials & Construction industry currently sits up 0.5% versus the S&P 500, which is down 0.1%. On the negative front, top decliners within the industry include PulteGroup ( PHM), down 1.5%, DR Horton ( DHI), down 1.3%, James Hardie Industries ( JHX), down 1.3% and Vulcan Materials Company ( VMC), down 0.8%. Top gainers within the industry include Fluor Corporation ( FLR), up 1.4%, Fastenal Company ( FAST), up 1.3% and Stericycle Incorporated ( SRCL), up 1.0%. TheStreet would like to highlight 5 stocks pushing the industry lower today: 5. Armstrong World Industries ( AWI) is one of the companies pushing the Materials & Construction industry lower today. As of noon trading, Armstrong World Industries is down $1.24 (-2.0%) to $60.13 on average volume. Thus far, 409,347 shares of Armstrong World Industries exchanged hands as compared to its average daily volume of 775,800 shares. The stock has ranged in price between $59.36-$61.12 after having opened the day at $60.67 as compared to the previous trading day's close of $61.37. Armstrong World Industries, Inc. engages in the design, manufacture, and sale of flooring products and ceiling systems worldwide. Armstrong World Industries has a market cap of $3.3 billion and is part of the industrial goods sector. The company has a P/E ratio of 37.1, above the S&P 500 P/E ratio of 17.7. Shares are up 6.5% year-to-date as of the close of trading on Thursday. Currently there are 4 analysts that rate Armstrong World Industries a buy, 1 analyst rates it a sell, and 4 rate it a hold. TheStreet Ratings rates Armstrong World Industries as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, reasonable valuation levels, good cash flow from operations, increase in stock price during the past year and largely solid financial position with reasonable debt levels by most measures. We feel these strengths outweigh the fact that the company has had sub par growth in net income. Get the full Armstrong World Industries Ratings Report now. STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more.