[4/27 01:00] OpenAI publishes Our Principles / Rohm shares plunge 16% on Denso 8.2 billion takeover withdrawal

AI News Flash for April 27, 2026 at 01:00 UTC. Topics: 1. OpenAI publishes Our Principles https://openai.com/index/our-principles/ 2. Rohm shares plunge 16% on Denso 8.2 billion takeover withdrawal https://www.bloomberg.com/news/articles/2026-04-27/denso-weighs-withdrawing-takeover-bid-for-power-chipmaker-rohm 3. Asia AI boom drowns out war fears, market divide https://www.bloomberg.com/news/articles/2026-04-27/ai-boom-drowns-out-war-fears-to-fuel-asia-s-great-market-divide 4. Nasdaq nears all-time highs, AI growth stocks Nvidia and CoreWeave https://www.fool.com/investing/2026/04/26/the-nasdaq-is-approaching-all-time-highs-is-it-too/