NEW YORK ( TheStreet) -- Salesforce.com ( CRM) and Interpublic Group ( IPG) were among the best-performing stocks in the S&P 500 Friday. The S&P 500 rose 2.28 points, or 0.17%, to close at 1,365.74 on Friday. Shares of Salesforce.com rose 9.01% to $143.64. After Thursday's closing bell, the cloud computing company reported fourth-quarter adjusted earnings of $61.6 million, or 43 cents a share, on revenue of $632 million. Analysts were expecting profit of 40 cents a share on revenue of $624 million. The company also said it anticipates revenue for the first quarter of fiscal 2013 of between $673 million and $678 million, an increase of about 33% year over year. Think Equity analysts raised their rating on Salesforce.com to buy from hold and have a price target of $165 on the stock. "Our contacts suggest competitor distractions (via recent-acquisitions) are accentuating CRM's disruptive market-positioning, leading to larger, multi-element deals," Think Equity analysts wrote in the report Friday. The analysts added, "Despite our concerns around Enterprisewide data integration limitations, we think CRM has an attractive 6 to 12-month window to accelerate share-gains as the larger ERPs play catch-up with their Cloud strategies." Thirty-three of the 42 analysts who cover Salesforce.com rate it at buy. Five analysts give it a hold rating and four rate it a sell. Salesforce.com has an estimated price-to-earnings ratio for next year of 66.8; the average for software companies is 28.58. For comparison, Adobe Systems ( ADBE) and Citrix Systems ( CTXS) both have lower forward P/Es of 12.38 and 24, respectively. TheStreet Ratings gives Salesforce.com a C grade and a hold rating. The stock has risen 41.75% year to date.