Nvidia Stock Rises. The Chip Maker Is Investing in Elon Musk’s xAI, Report Says. 

1. Nvidia plans to invest up to $2 billion in Elon Musk's xAI. 2. Bank of America maintains a Buy rating, citing data center construction importance. 3. Nvidia shares rose 0.8%; YTD gains at 38%, beating S&P 500's 14%. 4. Concerns over deal circularity with OpenAI and Intel are overstated, analysts say. 5. Nvidia aims to accelerate customer AI investments through this strategic move.