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.

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.

Jensen Huang’s comments at last week’s CES about quantum computing being decades away stirred up discussion within the quantum industry.