Riding a hot streak that has doubled its stock price in the past three years, Hewlett-Packard is rolling the dice on a $13.2 billion acquisition of technology services provider Electronic Data Systems. The all-cash deal announced Tuesday represents HP’s biggest gamble under the leadership of Mark Hurd, who was hired as chief executive in March 2005 to turn around the Palo Alto-based maker of personal computers and printers.

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