Calls for crackdown on China chip exports – as it happened

This live blog is now closed - you can read our latest report here

Can the AI economy survive without its central bank"? What does Jensen Huang's fall mean for the world's second-most valuable company, and what might a tremor in its fortunes mean for the world?

Nvidia's sky-high valuation is based on the fact that it designs and sells the advanced AI chips, called graphics processing units (GPUs), that underpin the AI economy. Without these, AI models such as ChatGPT and Claude could not be trained and would not run.