Dell replaced departing CFO Don Carty with Brian Gladden, former CEO of a plastics company. Carty is the third exec in recent weeks to leave Dell as its founder Michael Dell, recently returned to the CEO role, cuts payroll costs in an effort to turn around the company. Carty, a Dell board member who stepped in after a former CFO quit in late 2006, is also the chairman of Virgin America. [WSJ]

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