Nvidia's proposed $100 billion investment in OpenAI has reportedly stalled as CEO Jensen Huang raises concerns over the AI startup's spending discipline and intensifying competition, prompting both companies to reconsider a smaller,

Nvidia has agreed to invest up to $100 billion in OpenAI, which is planning an initial public offering as soon as this year.

OpenAI is in talks to raise close to $40bn from Nvidia, Microsoft and Amazon, three of its largest infrastructure providers, as part of its blockbuster $100bn funding round.

Nvidia Corporation’s (NVDA) rise has been nothing short of remarkable. What began as a niche graphics chip maker now sits at the heart of modern computing, powering data centers, artificial intelligence (AI) systems,

Nvidia stock was rising as prospects brightened for sales of its AI chips in China and to ChatGPT-developer OpenAI.