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 4 points (0.0%) at 14,823 as of Tuesday, April 30, 2013, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,672 issues advancing vs. 1,218 declining with 158 unchanged. The Computer Software & Services industry currently sits up 0.1% versus the S&P 500, which is unchanged. Top gainers within the industry include Infosys ( INFY), up 2.4%, Wipro ( WIT), up 2.3%, Sap AG ADR ( SAP), up 0.9% and Microsoft Corporation ( MSFT), up 0.6%. A company within the industry that fell today was Intuit ( INTU), up 1.95. TheStreet Ratings group would like to highlight 4 stocks pushing the industry higher today: 4. Catamaran ( CTRX) is one of the companies pushing the Computer Software & Services industry higher today. As of noon trading, Catamaran is up $1.35 (2.38) to $57.96 on average volume Thus far, 832,824 shares of Catamaran exchanged hands as compared to its average daily volume of 1.5 million shares. The stock has ranged in price between $56.11-$58.03 after having opened the day at $56.66 as compared to the previous trading day's close of $56.61. Catamaran Corporation provides pharmacy benefit management (PBM) services and healthcare information technology (HCIT) solutions to the healthcare benefits management industry in North America. The company operates in two segments: PBM and HCIT. Catamaran has a market cap of $11.8 billion and is part of the technology sector. The company has a P/E ratio of 81.7, above the S&P 500 P/E ratio of 17.7. Shares are up 21.4% year to date as of the close of trading on Monday. TheStreet Ratings rates Catamaran as a buy. The company's strengths can be seen in multiple areas, such as its robust revenue growth, largely solid financial position with reasonable debt levels by most measures, good cash flow from operations, compelling growth in net income and solid stock price performance. We feel these strengths outweigh the fact that the company has had somewhat disappointing return on equity. Get the full Catamaran 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.