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 42 points (-0.3%) at 15,847 as of Thursday, Dec. 5, 2013, 11:45 AM ET. The NYSE advances/declines ratio sits at 971 issues advancing vs. 1,916 declining with 131 unchanged. The Industrial Goods sector currently sits up 0.2% versus the S&P 500, which is down 0.4%. On the negative front, top decliners within the sector include PulteGroup ( PHM), down 1.9%, 3D Systems Corporation ( DDD), down 1.9% and Royal Philips ( PHG), down 0.9%. A company within the sector that increased today was Rockwell Automation ( ROK), up 1.0%. TheStreet would like to highlight 3 stocks pushing the sector lower today: 3. Northrop Grumman ( NOC) is one of the companies pushing the Industrial Goods sector lower today. As of noon trading, Northrop Grumman is down $0.76 (-0.7%) to $109.73 on light volume. Thus far, 366,865 shares of Northrop Grumman exchanged hands as compared to its average daily volume of 1.2 million shares. The stock has ranged in price between $109.66-$111.17 after having opened the day at $110.08 as compared to the previous trading day's close of $110.49. Northrop Grumman Corporation provides systems, products, and solutions in aerospace, electronics, information systems, and technical service areas to government and commercial customers worldwide. Northrop Grumman has a market cap of $25.0 billion and is part of the aerospace/defense industry. The company has a P/E ratio of 13.5, below the S&P 500 P/E ratio of 17.7. Shares are up 63.5% year to date as of the close of trading on Wednesday. Currently there are 2 analysts that rate Northrop Grumman a buy, no analysts rate it a sell, and 12 rate it a hold. TheStreet Ratings rates Northrop Grumman as a buy. The company's strengths can be seen in multiple areas, such as its solid stock price performance, growth in earnings per share, largely solid financial position with reasonable debt levels by most measures, attractive valuation levels and good cash flow from operations. We feel these strengths outweigh the fact that the company shows low profit margins. Get the full Northrop Grumman 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.