A year ago, the influential hedge fund manager David Einhorn was calling for Steve Ballmer's head.
It was time to give someone else a chance, Einhorn, the president of Greenlight Capital, told an investor conference. "His [Ballmer's] continued presence is the biggest overhang on Microsoft's stock."
Microsoft had long been milking its installed base and enterprise business for profits -- Windows still accounts for more than 90 percent of the desktop market -- while rivals swept into tech's hot growth areas. The stock was going nowhere, at the time trading just above $24 per … Read more