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 146 points (1.1%) at 13,259 as of Tuesday, Nov. 6, 2012, 11:49 AM ET. The NYSE advances/declines ratio sits at 2,070 issues advancing vs. 801 declining with 135 unchanged. The Computer Software & Services industry currently sits up 0.1% versus the S&P 500, which is up 0.9%. A company within the industry that fell today was Wipro ( WIT), up 1.2%. Top gainers within the industry include Computer Sciences Corporation ( CSC), up 15.7%, Salesforce.com ( CRM), up 2.0%, Cognizant Technology Solutions Corporation ( CTSH), up 1.3% and Oracle Corporation ( ORCL), up 1.1%. TheStreet Ratings group would like to highlight 4 stocks pushing the industry lower today: 4. ServiceSource International ( SREV) is one of the companies pushing the Computer Software & Services industry lower today. As of noon trading, ServiceSource International is down $3.04 (-37.1%) to $5.16 on heavy volume Thus far, 7.1 million shares of ServiceSource International exchanged hands as compared to its average daily volume of 780,300 shares. The stock has ranged in price between $5.06-$5.60 after having opened the day at $5.35 as compared to the previous trading day's close of $8.20. ServiceSource International, Inc. manages the service contract renewals process of maintenance, support and subscription agreements for technology and technology-enabled healthcare, and life sciences companies. ServiceSource International has a market cap of $656.9 million and is part of the technology sector. The company has a P/E ratio of -15.9, below the S&P 500 P/E ratio of 17.7. Shares are down 44.1% year to date as of the close of trading on Monday. Currently there are 8 analysts that rate ServiceSource International a buy, no analysts rate it a sell, and 1 rates it a hold. TheStreet Ratings rates ServiceSource International as a sell. The company's weaknesses can be seen in multiple areas, such as its deteriorating net income, generally disappointing historical performance in the stock itself and feeble growth in its earnings per share. Get the full ServiceSource International Ratings Report now.