Core Viewpoint - CICC maintains an outperform rating for Zhihu-W (02390) due to increased investment income and an upward shift in industry valuation, setting a target price of HKD 16 / USD 6.1, which corresponds to a 1.25x 2025 target P/S ratio, indicating an upside potential of 25% / 24% for Hong Kong and US stocks respectively [1] Group 1: Business Performance - In Q2 2025, the company reported revenue of CNY 717 million and adjusted net profit of CNY 91.34 million, exceeding expectations primarily due to fair value changes in investment income and effective cost control [1] - The marketing services segment shows initial success from targeted structural adjustments, with expectations for growth in the advertising client structure and a projected 3% year-over-year increase in ARPPU for paid memberships [2] - The company is shifting its vocational training business from a traditional model focused on core categories to a new model driven by social interaction and knowledge sharing [2] Group 2: AI Integration and Community Value - In Q2 2025, the company upgraded its core AI product, Zhihu Zhidao, enhancing its knowledge base functionality to support subscriptions and sharing, leading to a significant increase in active usage penetration [3] - The company emphasizes the growing value of its content community in the AI era, with 3.65 million professional creators actively discussing technology and AI topics, and high citation rates of Zhihu content by AI assistants compared to other content communities [3] Group 3: Financial Health and Share Buyback - The company achieved adjusted profitability for three consecutive quarters, with a year-over-year decrease in operating expense ratio by 4 percentage points, and realized investment income of CNY 140 million from fair value changes [4] - In the first half of 2025, the company repurchased 7.42 million shares, accounting for approximately 3% of the total share capital [4]