Global technology stocks tumbled in late January as hype around DeepSeek's innovation snowballed and investors began to digest the implications for its U.S.-based rivals and their hardware suppliers.

The new AI assistant released by Chinese startup DeepSeek has rattled the U.S. technology sector after it reportedly developed a model on par with leading U.S. peers at a lower cost.

A Chinese artificial intelligence startup is rattling Silicon Valley and Wall Street after it demonstrated AI models on par with OpenAI’s — for a fraction of the cost and energy.