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.

CEO Jensen Huang’s net worth plunged $18 billion Monday as the chipmaker’s stock continues to free fall. Huang was worth $106.3 billion as of Monday morning, down nearly 15%, according to Forbes Real-Time Billionaires list.

US chip giant Nvidia suffered a record wipeout on Monday after Chinese startup DeepSeek upended the tech sector — and the rout cost its CEO Jensen Huang more than $20 billion in a single day. DeepSeek said it built its new AI model in just two months for less than $6 million – a fraction of the training costs of its US rivals – and without access to Nvidia’s powerful,

By Sinéad Carew, Amanda Cooper, Ankur Banerjee NEW YORK/LONDON/SINGAPORE (Reuters) -Investors sold technology stocks across the globe on Monday as they worried that the emergence of a low-cost Chinese artificial intelligence model would threaten the dominance of current AI leaders like Nvidia,