Nvidia became the first publicly traded company to reach a $4 trillion market valuation on 9 July, after its shares climbed as much as 2.8% to an intraday record of $164.42 in New York. The surge briefly pushed the California-based chip maker ahead of Microsoft and Apple, whose market caps stood near $3.7 trillion and $3.1 trillion, respectively. The milestone caps a remarkable rally for the supplier of high-end graphics processing units used in artificial-intelligence systems. Nvidia crossed the $2 trillion mark in February 2024 and $3 trillion in June 2025; its stock has advanced about 22% this year and roughly 1,350% since October 2022. At about 7.5% of the S&P 500’s value, the company now exerts the greatest single-stock influence on the benchmark index. Investors have piled into Nvidia on expectations that demand for its AI-focused chips will remain strong despite U.S. export controls on sales to China. In its most recent quarter the company reported nearly $19 billion in profit, underscoring confidence that generative-AI spending will continue to drive revenue and cement Nvidia’s dominance in the sector.