All three major indices are trading down today with the Dow Jones Industrial Average ( ^DJI) trading down 41 points (-0.3%) at 15,444 as of Tuesday, July 16, 2013, 12:45 PM ET. The NYSE advances/declines ratio sits at 951 issues advancing vs. 1,969 declining with 95 unchanged. The Computer Software & Services industry currently sits down 0.2% versus the S&P 500, which is down 0.4%. On the negative front, top decliners within the industry include Gartner ( IT), down 2.2%, Splunk ( SPLK), down 2.0%, Computer Sciences Corporation ( CSC), down 1.7%, NetSuite ( N), down 1.8% and IHS ( IHS), down 1.4%. A company within the industry that increased today was Konami Corporation ( KNM), up 5.3%. TheStreet would like to highlight 5 stocks pushing the industry lower today: 5. Nielsen Holdings ( NLSN) is one of the companies pushing the Computer Software & Services industry lower today. As of noon trading, Nielsen Holdings is down $0.61 (-1.8%) to $33.83 on average volume. Thus far, 1.4 million shares of Nielsen Holdings exchanged hands as compared to its average daily volume of 3.5 million shares. The stock has ranged in price between $33.72-$34.52 after having opened the day at $34.41 as compared to the previous trading day's close of $34.44. Nielsen Holdings N.V., an information and measurement company, provides media and marketing information, analytics, and industry expertise about what consumers buy and watch on a global and local basis. Nielsen Holdings has a market cap of $13.0 billion and is part of the technology sector. Shares are up 12.6% year to date as of the close of trading on Monday. Currently there are 5 analysts that rate Nielsen Holdings a buy, 1 analyst rates it a sell, and 3 rate it a hold. TheStreet Ratings rates Nielsen Holdings as a sell. The company's weaknesses can be seen in multiple areas, such as its generally high debt management risk and disappointing return on equity. Get the full Nielsen Holdings 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.