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 One out of the three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 1 points (0.0%) at 15,277 as of Thursday, May 16, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 1,398 issues advancing vs. 1,509 declining with 138 unchanged. The Diversified Services industry currently sits up 0.2% versus the S&P 500, which is down 0.10. On the negative front, top decliners within the industry include Computer Sciences Corporation ( CSC), down 3.94, Fleetcor Technologies ( FLT), down 0.99 and Visa ( V), down 0.58. Top gainers within the industry include Giant Interactive Group ( GA), up 6.4%, 51job ( JOBS), up 3.3%, Team Health Holdings ( TMH), up 2.2%, Mercadolibre ( MELI), up 1.9% and Priceline.com ( PCLN), up 0.4%. TheStreet Ratings group would like to highlight 5 stocks pushing the industry lower today: 5. Fiserv ( FISV) is one of the companies pushing the Diversified Services industry lower today. As of noon trading, Fiserv is down $0.49 (-0.5%) to $89.77 on light volume Thus far, 120,476 shares of Fiserv exchanged hands as compared to its average daily volume of 601,600 shares. The stock has ranged in price between $89.72-$90.55 after having opened the day at $89.74 as compared to the previous trading day's close of $90.26. Fiserv, Inc., together with its subsidiaries, provides financial services technology solutions worldwide. Fiserv has a market cap of $12.0 billion and is part of the services sector. The company has a P/E ratio of 21.0, above the S&P 500 P/E ratio of 17.7. Shares are up 13.6% year to date as of the close of trading on Wednesday. TheStreet Ratings rates Fiserv as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, solid stock price performance, reasonable valuation levels, expanding profit margins 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 Fiserv 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.