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 Two out of the three major indices are trading lower today with the Dow Jones Industrial Average ( ^DJI) trading down 5 points (0.0%) at 15,100 as of Thursday, May 9, 2013, 12:45 PM ET. The NYSE advances/declines ratio sits at 1,176 issues advancing vs. 1,742 declining with 136 unchanged. The Computer Software & Services industry currently sits down 0.54 versus the S&P 500, which is down 0.21. On the negative front, top decliners within the industry include Rackspace Hosting ( RAX), down 26.26, Activision Blizzard ( ATVI), down 7.48, Adobe Systems ( ADBE), down 3.41 and Sap AG ADR ( SAP), down 0.81. TheStreet Ratings group would like to highlight 3 stocks pushing the industry lower today: 3. SS&C Technologies Holdings ( SSNC) is one of the companies pushing the Computer Software & Services industry lower today. As of noon trading, SS&C Technologies Holdings is down $3.19 (-9.3%) to $31.01 on heavy volume Thus far, 1.9 million shares of SS&C Technologies Holdings exchanged hands as compared to its average daily volume of 279,100 shares. The stock has ranged in price between $30.83-$31.90 after having opened the day at $31.84 as compared to the previous trading day's close of $34.20. SS&C Technologies Holdings, Inc. provides software products and software-enabled services to financial services providers worldwide. SS&C Technologies Holdings has a market cap of $2.6 billion and is part of the technology sector. The company has a P/E ratio of 56.6, above the S&P 500 P/E ratio of 17.7. Shares are up 44.7% year to date as of the close of trading on Wednesday. TheStreet Ratings rates SS&C Technologies Holdings as a buy. The company's strengths can be seen in multiple areas, such as its robust revenue growth, increase in net income, good cash flow from operations, solid stock price performance and growth in earnings per share. We feel these strengths outweigh the fact that the company has had somewhat disappointing return on equity. Get the full SS&C Technologies Holdings 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.