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 All three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 161 points (1.1%) at 14,992 as of Friday, May 3, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 2,292 issues advancing vs. 653 declining with 100 unchanged. The Diversified Services industry currently sits up 1.8% versus the S&P 500, which is up 1.2%. Top gainers within the industry include Robert Half International ( RHI), up 4.8%, Fleetcor Technologies ( FLT), up 4.4% and Visa ( V), up 2.2%. TheStreet Ratings group would like to highlight 3 stocks pushing the industry lower today: 3. WEX ( WXS) is one of the companies pushing the Diversified Services industry lower today. As of noon trading, WEX is down $5.77 (-7.6%) to $70.22 on average volume Thus far, 127,823 shares of WEX exchanged hands as compared to its average daily volume of 244,600 shares. The stock has ranged in price between $69.41-$70.48 after having opened the day at $69.94 as compared to the previous trading day's close of $75.99. WEX Inc. provides corporate card payment solutions in North and South America, the Asia Pacific, and Europe. It operates in two segments, Fleet Payment Solutions and Other Payment Solutions. WEX has a market cap of $2.9 billion and is part of the services sector. The company has a P/E ratio of 30.6, above the S&P 500 P/E ratio of 17.7. Shares are up 0.8% year to date as of the close of trading on Thursday. TheStreet Ratings rates WEX as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, largely solid financial position with reasonable debt levels by most measures, expanding profit margins and solid stock price performance. We feel these strengths outweigh the fact that the company has had sub par growth in net income. Get the full WEX 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.