The recent AI advances by Chinese upstart DeepSeek could be the beginning of a potential nightmare scenario that Nvidia Corp. Chief Executive Jensen Huang has been worrying about since the chip maker’s meteoric rise.

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,