EconomyMicrosoft consolidates its position as OpenAI's majority shareholder and regains a $4 trillion valuation.C.S.L.28-10-2025
![Sam Altman, CEO of Open AI](data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 9"%3E%3C/svg%3E)