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

Nvidia is the gold standard and leading provider of the graphics processing units (GPUs) used to train and run AI systems. The company is believed to control as much as 98% of the data center GPU market, according to semiconductor analyst firm TechInsights. If AI models can be trained on lower-cost, inferior chips, Nvidia has a lot to lose.

The Dow Jones held up best out of major indexes on the stock market today. Nvidia plunged due to concerns of China AI firm DeepSeek.

NVIDIA lost $500 billion of market value in a single day because of DeepSeek.

Investors soured on some tech stocks like Oracle and Nvidia as China’s DeepSeek sparked questions about the massive AI spending bolstering America’s biggest companies moving forward.

In what marks the largest single-day drop in stock market history, Nvidia's valuation has been hit by China's answer to ChatGPT.

Nvidia, Microsoft, and Alphabet were among the market's top losers on Monday as the rise of DeepSeek rattled investors.

The Dow is up roughly 0.3%, versus a fall of 3.11% for the Nasdaq. If it holds, the Dow's 3.41 percentage point outperformance would be its strongest versus the Nasdaq since Nov. 9, 2020, according to Dow Jones Market Data, when the blue-chip gauge outpaced the tech-heavy index by 4.47 percentage points.

In an apparent response to the attention on a hot new AI model out of China, Microsoft CEO Satya Nadella posted online

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.

Shares of Nvidia, Microsoft, Oracle, and other AI-related companies surged Wednesday after the Trump administration’s announcement of a $500 billion joint venture spurred optimism about a rising tide of AI investments.