Which company became the first to reach a $3 trillion market capitalization during a single trading session?

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Apple became the first company to reach a $3 trillion market capitalization during a single trading session.

Apple briefly crossed the $3 trillion mark on January 3, 2022, as its share price rose during Nasdaq trading. Because market capitalization moves with the share price, the valuation later slipped below the threshold before the session ended. Apple closed below $3 trillion that day but crossed and closed above it in 2023.

The milestone was based on Apple’s publicly traded equity, not the value of every asset the company owned. Investors’ expectations about future iPhone sales, services revenue, profitability, and shareholder returns all influence the share price used in the calculation.

Apple’s path to the milestone began with its $1 trillion valuation in 2018 and $2 trillion valuation in 2020. Microsoft later became the second company to reach a $3 trillion market capitalization, making the comparison a frequent source of confusion.

Source: Wikipedia · fact-checked Oct. 2026

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