Which company became the first publicly traded US corporation to exceed US$1 trillion in market value?

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Apple became the first publicly traded US corporation to exceed US$1 trillion in market value in August 2018.

Apple crossed the threshold on 2 August 2018 after its share price rose following strong financial results and continued confidence in the iPhone ecosystem. The milestone was based on the company’s total outstanding shares multiplied by the stock price.

Apple’s path to the record combined hardware sales with growing revenue from services, accessories, and software. The iPhone remained central, but products such as the Mac, iPad, Apple Watch, and App Store helped broaden the company’s business.

This record is distinct from being the first company anywhere to reach a trillion-dollar valuation under every possible measurement. Market capitalization records depend on the exchange, share count, currency, and whether the comparison uses an intraday or closing price.

Source: Wikipedia · fact-checked Oct. 2026

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