Like its peers, the travel portal has been increasing spending in advertising along with offering discounts and loyalty programs to confront pressure from a growing set of players, from referral sites that search multiple sites to startups that offer unpublished discounts and stays in apartments and spare rooms. In the latest period, costs and expenses jumped 58%. The company launched a major advertising campaign in the third quarter, driving selling and marketing costs up 64 percent to $159 million. The company's net income fell to $54 million for the third quarter ended Sept. 30, from $56 million a year earlier. Total revenue rose 39% to $354 million. Get the full story at TripAdvisor and The Motley Fool