Apple briefly overtook Nvidia as the world's most valuable publicly traded company during US trading on Friday, 23 October, as renewed concerns about artificial intelligence investment weighed on technology stocks. Apple's market capitalisation rose above $5.1 trillion (£3.82 trillion) intraday before Nvidia reclaimed first place.
The temporary reversal followed a turbulent week for companies linked to the AI boom. Nvidia, which became the first publicly traded company to reach a $5 trillion (£3.75 trillion) market valuation on 29 October 2025, has benefited from demand for the chips used to train and run AI systems.
