Washington | US President Donald Trump says the Chinese AI start-up DeepSeek’s technology is a wake-up call for American companies that should spur them to innovate at a lower cost.

The US president put an optimistic spin on the Chinese company, as investors sold technology stocks across the globe on Monday (Tuesday AEDT) on concerns the emergence of the low-cost artificial intelligence model would threaten the dominance of US leaders like chipmaker Nvidia.