Should Expedia Inc (EXPE.O) go through with its plan to spin off TripAdvisor this year, the newly created company is likely to be the more favored firm on Wall Street. Shares of Expedia rose 12 percent on Friday as analysts called the online travel agency's plan to split a way to unlock potential value. TripAdvisor, which sells ad revenue on its sites that feature travel reviews, has been a growth engine at Expedia in recent quarters.
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