The core driver of Nvidia's growth remains the same: its data center segment. In other words, the AI boom. Nvidia said data center revenue rose 75% year over year in fiscal Q4 to $62.3 billion, showing how the AI chip build-out remains the dominant part of Nvidia's growth story.

Nvidia NVDA​ stock today: Nvidia's stock saw a dip despite impressive revenue forecasts and a significant jump in fourth-quarter sales. Investors are questioning the sustainability of the artificial intelligence boom.

Chip giant Nvidia has reported record annual revenue of $215.9bn (£159.1bn), despite a wave of investor scepticism about the massive amounts of money being spent on artificial intelligence (AI) technology. The firm also beat analyst's forecasts as sales for the last three months of its financial year jumped by 73% compared to 12 months earlier.

A rout in chipmakers weighed on stocks as Nvidia Corp.’s results failed to inspire investors seeking reassurances about the artificial-intelligence outlook. Oil climbed as Iran said nuclear talks with the US were intense, spurring a flight to the perceived safety of bonds.

Nvidia's highly anticipated earnings report came in better than analysts had expected. Stay tuned here for all the details on what is widely regarded as the most important earnings release of the quarter.

Nvidia Corp.’s earnings report on Wednesday afternoon comes at a critical time for the US stock market with investors increasingly nervous about the outlook for artificial intelligence.

CNBC's Jim Cramer said Thursday that investors are skeptical about Nvidia's customers, not the company's technology leadership.