no new events·R&D and entrepreneurshipOpenAI valuation may exceed $1 trillion ahead of IPO talks17 Sept 2026·1 event·1 sourceFollowHow events unfoldedFrom the beginning to today17/09/2026, 01:40OpenAI valuation may exceed $1 trillion ahead of IPO talks1 source →1 of 1 eventsStoryline coverage1 source · 1/7