Chinese startup DeepSeek has debuted an AI app that challenges OpenAI's ChatGPT and other U.S. rivals, sending a shock through Wall Street.

Many top exchange-traded funds (ETFs) that have been outperforming the S&P 500 in recent years all have a common theme, which is that their top three holdings usually include at least one of the following tech stocks: Nvidia,

Nvidia (NASDAQ: NVDA) and Apple (NASDAQ: AAPL) are the two largest companies in the world by market capitalization. While Nvidia is valued at roughly $3.38 trillion as of this writing and stands as the second-biggest business,

Tech stocks tumbled as Chinese AI startup DeepSeek's advances raised fears of intensified competition, shaking investor confidence. This live blog is closed.

Oracle chairman Larry Ellison and Nvidia CEO Jensen Huang lost tens of billions on paper as shares of their AI-focused companies suffered as DeepSeek sent a chill through Silicon Valley.

Since the start of 2023, Nvidia's (NASDAQ: NVDA) stock has gained an astronomical 906% as of the time of writing. While this is common investor thinking, it's caused many (including myself) to miss a large chunk of Nvidia's rise.

The emergence of China-based AI app DeepSeek sent shares plummeting on Monday for many U.S. tech giants, including chipmaker Nvidia and AI-backer Microsoft.

DeepSeek topped the Apple App Store chart and sparked fears the Chinese company was quickly catching up with OpenAI's ChatGPT while costing far less.

The tech industry has had an insatiable appetite for Nvidia’s chips over the last two years. But the feast may be over sooner than many had expected.

In a dramatic shift at the pinnacle of global markets, Nvidia has dethroned Apple to become the world’s most valuable company by market capitalization as of January 24, 2025. The chip giant, known for powering the AI revolution,