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. All three major indices are trading down today with the Dow Jones Industrial Average ( ^DJI) trading down 44 points (-0.3%) at 15,515 as of Monday, July 29, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 829 issues advancing vs. 2,095 declining with 99 unchanged. The Industrial Goods sector currently sits down 0.5% versus the S&P 500, which is down 0.4%. On the negative front, top decliners within the sector include Lincoln Electric Holdings ( LECO), down 3.9%, Roper Industries ( ROP), down 2.7%, Vulcan Materials Company ( VMC), down 2.6%, Fluor Corporation ( FLR), down 2.0% and Nidec Corporation ( NJ), down 1.4%. Top gainers within the sector include 3D Systems Corporation ( DDD), up 5.5%, DR Horton ( DHI), up 2.0%, Caterpillar ( CAT), up 1.3% and Dover Corporation ( DOV), up 0.9%. TheStreet would like to highlight 5 stocks pushing the sector lower today: 5. Armstrong World Industries ( AWI) is one of the companies pushing the Industrial Goods sector lower today. As of noon trading, Armstrong World Industries is down $2.45 (-4.9%) to $47.96 on average volume. Thus far, 168,738 shares of Armstrong World Industries exchanged hands as compared to its average daily volume of 309,700 shares. The stock has ranged in price between $47.71-$50.03 after having opened the day at $49.40 as compared to the previous trading day's close of $50.41. 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 $3.0 billion and is part of the materials & construction industry. Shares are down 1.0% year to date as of the close of trading on Friday. Currently there are 3 analysts that rate Armstrong World Industries a buy, 1 analyst rates it a sell, and 8 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 increase in stock price during the past year, good cash flow from operations, largely solid financial position with reasonable debt levels by most measures and notable return on equity. 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.