Nvidia(US:NVDA) Benzingaยท2025-10-02 12:16Group 1 - OpenAI has reached a valuation of $500 billion, surpassing SpaceX's valuation of $400 billion, making it the world's largest startup [1][2] - Current and former employees sold approximately $6.6 billion worth of shares to various investors, with the company authorizing sales of over $10 billion in stock on the secondary market [1][2] - OpenAI generated around $4.3 billion in revenue in the first half of 2025, which is a 16% increase compared to its total revenue from the previous year, and is on track to meet a full-year revenue target of $13 billion [3] Group 2 - The $500 billion valuation milestone is significant as OpenAI is negotiating with Microsoft to transition into a more traditional for-profit company [4] - Major tech companies are investing heavily in AI infrastructure, with Nvidia pledging investments of up to $100 billion in OpenAI [5]