Nvidia's market cap tops $4.5 trillion after string of AI infrastructure deals

Group 1 - Nvidia shares reached a record high, climbing almost 3% and lifting the market cap past $4.5 trillion, with a year-to-date increase of about 39% [1] - OpenAI announced that Nvidia would take an equity stake worth up to $100 billion and build data centers filled with Nvidia GPUs, with the entire "Stargate" project costing $500 billion [2] - Nvidia's products account for approximately 70% of spending on new AI data centers, leading analysts at Citi to raise their price target from $200 to $210 due to increased AI infrastructure spending forecasts [3] Group 2 - Major companies like Meta and Google are significantly increasing their infrastructure spending, with CoreWeave securing a $14.2 billion deal to supply AI infrastructure services to Meta [4] - Nvidia's stock performance is strong, outperforming all megacap peers this year except for Broadcom, which is also benefiting from OpenAI developments [4]