Zynga founder steps down as CEO to be replaced by Microsoft's Xbox head

Struggling games company's shares soar in anticipation that chief executive Mark Pincus would be replaced by Don Mattrick Mark Pincus, founder of Zynga, the struggling online games company, is stepping down as chief executive officer, the company said on Monday. Pincus will be replaced by Don Mattrick, the current head of Microsoft's Xbox division. He will remain as chairman of the company and chief product officer. "Don is unique in the game business," Pincus said in a statement. "He can execut...