Apple retakes crown as world’s most valuable company as Nvidia shares slip

Apple regained the title of the world’s most valuable public company after its shares rose enough to move its market value back above Nvidia’s. Nvidia slipped as investors worried more about rising competition in semiconductors and AI infrastructure, adding pressure to a stock that has been swinging on concerns about future demand and rivals such as Google, Amazon, and other chipmakers. The shift matters because it reflects how quickly leadership in the AI-driven tech rally can change as markets reassess which companies will capture the biggest gains.