Nvidia reported $81.6 billion in quarterly revenue, driven by $75.2 billion in data center sales, while revealing $43 billion in startup holdings.

Nvidia's soaring revenue highlights the escalating demand for AI infrastructure, raising questions about sustainability and geopolitical risks.

Chip giant Nvidia on Wednesday posted record quarterly revenue of $81.6 billion, blowing past Wall Street forecasts as insatiable demand for its artificial intelligence hardware…