CNBC Daily Open: Outside AI, the market isn't looking that hot
1. Amazon signs $38 billion deal with OpenAI for AI infrastructure use. 2. Amazon shares surged to a record high following the announcement. 3. S&P 500 and Nasdaq increased, but over 300 index stocks fell. 4. Microsoft approved to ship Nvidia chips to UAE, boosting Nvidia shares. 5. Market remains divided; only tech sector is showing strong performance.