[5/22 13:00] S&P 500 AI-fueled rally eight weekly gain / Google Gemini Omni official release

AI News Flash for May 22, 2026 at 13:00 UTC. Topics: 1. S&P 500 AI-fueled rally eight weekly gain https://www.bloomberg.com/news/articles/2026-05-22/ai-fueled-rally-puts-s-p-500-on-track-for-eighth-weekly-gain 2. Google Gemini Omni official release https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-omni/ 3. Google SynthID Search Chrome expansion https://qz.com/google-synthid-ai-detection-search-chrome-051926 4. Microsoft AI lead win-back strategy https://fortune.com/2026/05/22/inside-microsoft-high-stakes-push-win-back-ai-lead/ 5. Cisco/Standard Chartered AI layoffs latest https://hrexecutive.com/cisco-standard-chartered-latest-to-cite-ai-as-explicit-driver-of-layoffs/