Nvidia tops US public companies list with $5.5T market cap
Nvidia has achieved a market capitalization of $5.5 trillion, making it the most valuable public company in the United States. This milestone surpasses both Apple and Microsoft, which have traditionally held the top positions. The company's dominance in AI infrastructure has solidified its status as a key player in the technology sector.
- ▪Nvidia's market capitalization reached approximately $5.5 trillion.
- ▪The company's stock hit a record intraday high of around $227.16 per share.
- ▪Nvidia is the central hardware provider for large AI labs, commanding a majority share of high-end AI accelerator deployments.
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<img src="https://static.cryptobriefing.com/wp-content/uploads/2026/05/16140220/logos-brand-guidelines-nvidia-5-1-800x420.jpeg" alt="Nvidia tops US public companies list with $5.5T market cap" class="w-full aspect-[19/10] object-cover" /> Nvidia tops US public companies list with $5.5T market cap The chipmaker's AI dominance has propelled it past Apple and Microsoft to become the most valuable publicly traded company in America. Share Add us on Google by Editorial Team May. 16, 2026 Nvidia just crossed a threshold that would have sounded absurd three years ago. The company’s market capitalization hit approximately $5.5 trillion, making it the most valuable public company in the United States and leaving longtime frontrunners Apple and Microsoft in the rearview mirror.
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