9. Xerox ( XRX) provides a portfolio of services in document technology and software, and a diverse range of business process and information technology outsourcing support. The company operates in three segments: technology, services, and others. During the first quarter of 2011, total revenue increased 16% compared to the first quarter of 2010. Contribution from the services segment grew faster during the quarter relative to other segments. The segment contributed around 47% of total sales in the last quarter, higher than its share of 39% in the same quarter of the prior year. Technology, another important segment, contributed about 46% of sales. Operating margin in the first quarter of 2011 stood at 9.1%, expanding 60 basis points from the same quarter last year. Net income stood at $281 million as opposed to a net loss of $42 million in the same quarter of 2010. The stock is trading at 9.3 times its estimated 2011 earnings and analysts expect an upside of 26% from the current levels.