Pinterest plunges as tariffs weigh on large customers' ad spending

Core Viewpoint - Pinterest's shares dropped over 20% in premarket trading due to a quarterly revenue forecast impacted by large U.S. retailers reducing ad spending amid tariff-related uncertainties [1] Group 1: Company Performance - Pinterest cut under 15% of its workforce, which CFO Julia Donnelly indicated could disrupt near-term performance as the company restructures its go-to-market teams [2] - The stock is expected to open at its lowest level since April 2020, reflecting ongoing challenges in the advertising market [3] Group 2: Competitive Landscape - Meta reported strong momentum in e-commerce advertising, while TikTok has managed to maintain its presence in the U.S. despite legal challenges [3] - Google is enhancing its commerce capabilities with updates to its Gemini chatbot and AI search, increasing competition for digital ad budgets [4] - Analysts predict the emergence of AI-powered Pinterest alternatives from major players like Meta, OpenAI, and Amazon [4] Group 3: Market Valuation - Pinterest's stock trades at 9.49 times the estimated earnings for the next 12 months, compared to 9.42 for Snap, 29.99 for Reddit, and 21.41 for Meta [5] - If premarket losses persist, Pinterest could lose over $2 billion from its market value of $12.52 billion [4]