[4/28 11:00] Citigroup AI market view over $4 trillion / Microsoft research lists 40 jobs most exposed to AI

AI News Flash for April 28, 2026 at 11:00 UTC. Topics: 1. Citigroup AI market view over $4 trillion https://www.reuters.com/business/finance/citigroup-lifts-ai-market-view-over-4-trillion-enterprise-adoption-2026-04-28/ 2. Microsoft research lists 40 jobs most exposed to AI https://fortune.com/article/what-are-the-jobs-most-exposed-to-ai-microsoft-researchers-list/ 3. Big Tech AI spending hits $600 billion, earnings week tests payoff https://www.reuters.com/business/retail-consumer/big-tech-investors-gauge-payoff-ai-spending-set-hit-600-billion-2026-04-28/ 4. Eli Lilly partners with Profluent AI for next-gen gene editors https://www.statnews.com/2026/04/28/eli-lilly-crispr-gene-editing-deal-profluent-ai/ 5. China cyberspace regulator warns ByteDance over AI content labelling https://www.reuters.com/legal/litigation/chinas-cyberspace-regulator-warns-bytedance-apps-website-over-ai-content-2026-04-28/