Klarna (KLAR) stock soars after U.S. IPO

Sebastian Siemiatkowski, chief executive officer and co-founder of Klarna Holding AB, center, and Michael Moritz, chairman of Klarna Bank AB, center right, during the company’s initial public offering (IPO) at the New York Stock Exchange (NYSE) in New York, US, on Wednesday, Sept. 10, 2025. Michael Nagle | Bloomberg | Getty Images Klarna shares popped…

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OpenAI’s GPT-5 is gaining where it matters most: Enterprise

Sam Altman turned OpenAI into a cultural phenomenon with ChatGPT. Now, three years later, he’s chasing where the real money is: Enterprise. Last week’s rollout of GPT-5, OpenAI’s newest artificial intelligence model, was rocky. Critics bashed its less-intuitive feel, ultimately leading the company to restore its legacy GPT-4 to paying chatbot customers. But GPT-5 isn’t…

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