OpenAI Chief Executive Sam Altman has hosted hundreds of Fortune 500 company executives in San Francisco, New York and London this month where he and other OpenAI executives pitched AI services for corporate use, going head to head in some cases with financial backer Microsoft, attendees told Reuters. Altman directly addressed more than 100 executives in each city at the events, according to attendees who spoke on the condition of anonymity. At each event, Altman and chief operating officer Brad Lightcap offered product demonstrations, including ChatGPT Enterprise, the enterprise grade of its famous chatbot that generates text from simple prompts, software to connect customer applications to its AI services known as APIs, and its new text-to-video models...

Futures fell as JPMorgan retreated Friday despite topping Q1 views. Nvidia and other AI stocks led Thursday's strong market rally...