People across China have taken to social media to hail the success of its homegrown tech startup DeepSeek and its founder, after the company unveiled its newest artificial intelligence model, sending shock waves through Silicon Valley and Wall Street.

NVIDIA, the world's most valuable company until Monday, lost $600 billion of market value in a single day, the biggest in US stock history.

U.S. President Donald Trump said on Monday (January 27) that Chinese startup DeepSeek's technology should act as spur for American companies and said it was good that companies in China have come up with a cheaper,

News from China upset U.S. markets Monday and disrupted the frenzy that had built up around artificial intelligence

DeepSeek, a Chinese artificial-intelligence startup that’s just over a year old, has stirred awe and consternation in Silicon Valley after demonstrating AI models that offer comparable performance to the world’s best chatbots at seemingly a fraction of their development cost.

DeepSeek has Silicon Valley in awe and investors in a frenzy.The Chinese artificial-intelligence upstart has shot to prominence after saying it had trained high-performing AI models cheaply, without the most advanced chips.