Shares of Dell were down nearly eight percent in after-hours trading after the Texas-based PC maker posted lower-than-expected second-quarter results. Still, the company's revenue was up one percent over last year, totaling $15.66 billion, compared to $15.5 billion in Q2 2010. Net income jumped 63 percent, from $545 million to $890 million, over the year-ago quarter. Corporate and government orders were responsible for the jump in income, according to an AP report, but new sales predictions hint that orders may not be coming in as often as anticipa
