Core Viewpoint - Tripadvisor stock is perceived as undervalued and presents an attractive investment opportunity following a significant stake acquisition by activist investor Starboard Value, which has led to a notable increase in stock price [1][2][5]. Group 1: Investment Activity - Starboard Value has acquired a 9% stake in Tripadvisor, which cost approximately $160 million, and the stock price surged by 18% shortly after the announcement [1][4]. - The company was valued at less than $1.8 billion before the announcement, indicating a substantial increase in market value post-investment [4]. Group 2: Financial Metrics - Tripadvisor's current market capitalization exceeds $2 billion, with a modest debt load of about $105 million [5]. - The stock is trading at nearly 38 times trailing earnings, but analysts project earnings of nearly $105 million for the next year, with a forward P/E ratio of about 20 [5]. - Expected earnings growth for next year is forecasted at 40% compared to the current year, making the stock appear attractive at a 20 times earnings valuation [5][6].