Shares of Tripadvisor Inc. jumped after hours on Monday, after the travel-services platform said it had formed a special committee to consider “any proposals that may be brought forward for a potential transaction.” Tripadvisor’s stock TRIP, +3.04% was up 10.9% in after-hours trading. “The mandate of the Special Committee is to evaluate any proposals that may be brought forward for a potential transaction, and any alternatives thereto, with regard to Tripadvisor,” the company said in a statement. Such ...