US tech companies took a hit on 27 January after Chinese startup DeepSeek launched an artificial intelligence tool in competition against Western-backed models at a fraction of the research and development cost. MPs to scrutinise use of AI in financial services following DeepSeek launch The emergence of an unexpected Chinese rival in the widely popular AI space sent markets into a spiral, with the US taking some of the biggest hits on the day. The tech-heavy Nasdaq Composite ended the day 3% lower than the previous Friday while Nvidia, the market's AI darling, at 19,341 experienced...
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