Pinterest stock crashes 21% as CEO warns Trump tariffs will damage Q4 revenue despite launching AI-powered shopping assistant and achieving major cost savings through open source AI models.
Cybersecurity firm Armis raises $435 million at a $6.1 billion valuation while boldly rejecting seven acquisition offers including a $5 billion bid from Thoma Bravo, choosing instead to pursue an IPO in late 2026 with $300 million in annual recurring revenue.
Michael Burry places $1 billion bet against AI giants Nvidia and Palantir as tech stocks plummet and Goldman Sachs and Morgan Stanley CEOs predict a major 10-20% market correction within two years amid AI bubble concerns.
Andreessen Horowitz shuts down its $175,000 Talent x Opportunity Fund that supported over 60 underserved founders since 2020, laying off at least three staff members as the firm integrates diversity efforts into its broader investment strategy.
OpenAI recruits over 100 former Goldman Sachs and JP Morgan bankers at $150/hour for Project Mercury, training AI models to automate entry-level investment banking tasks like cash-flow analysis and pitchbook creation, potentially revolutionizing Wall Street's traditional apprenticeship system.
Anthropic integrates Claude AI directly into Microsoft Excel with a sidebar interface that reads, modifies, and creates spreadsheets, delivering 5x faster business reviews and 90% data accuracy for major financial institutions during beta testing.
Perplexity AI's valuation skyrockets from $14 billion to $50 billion in months as the search startup raises funding rounds monthly instead of annually, generating $150 million in revenue while making a stunning $34.5 billion bid for Google Chrome amid fears of an AI investment bubble with 100x revenue multiples.
Microsoft reports a staggering $3.1 billion loss from its OpenAI investment as the AI giant burns through $11.5 billion in a single quarter, revealing massive financial struggles despite generating billions in annual revenue.
Apple crushes Q4 earnings with $102.47 billion revenue and $1.85 EPS, beating estimates as iPhone 17 demand reaches record highs with supply constraints driving expectations for the company's best December quarter ever.
Amazon surpasses Q3 earnings expectations with $1.95 per share and $180.17 billion revenue while AWS cloud division accelerates growth to 20.2%, prompting the company to boost 2025 capital spending to $125 billion even as it cuts 14,000 corporate jobs to streamline operations.