Goldman Sachs has adopted a more positive view of the IT services group, saying that net income should see better growth amid industry stabilization and some improvement in fundamentals. In a research note Thursday, the firm raised its rating on the group to attractive from neutral, citing the valuation disparity between the broader tech sector and services. Goldman also indicated that valuations are at the low end of their historical ranges for most services stocks. Goldman upgraded Certegy ( CEY) to outperform from in line and raised its rating on Convergys ( CVG), Inforte ( INFT) and Keane ( KEA) to in line from underperform. Additionally, the firm said its top three ideas are Affiliated Computer ( ACS), Anteon ( ANT) and Certegy. Most of the stocks Goldman highlighted in its research note were moving higher in morning trading.