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Tech giant becomes second firm ever to pass milestone

Microsoft has become only the second publicly traded company after Nvidia to surpass $4 trn (£3.03trn) in market valuation, after registering huge earnings. 01 August, 2025

Microsoft has become only the second publicly traded company after Nvidia to surpass $4 trn (£3.03trn) in market valuation, after registering huge earnings.

On Thursday, shares rose on Wall Street with the S&P 500 and Nasdaq climbing to new record highs.

Stocks in Microsoft jumped after posting better-than-expected results, helped by its Azure cloud computing platform, which is a centrepiece of the company's artificial intelligence (AI) efforts.

Shares in Facebook and Instagram's parent company, Meta, also surged after beating sales and profit targets.

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Technology giants Apple and Amazon will report their results after Wall Street's close.

Microsoft first cracked the $1trn (£760bn) mark in April 2019, but its move to $3trn (£2.27trn) took longer than technology giants Nvidia and Apple.

Nvidia tripled its value in just about a year and clinched the $4trn milestone before any other company on 9 July. Apple was last valued at $3.12trn.

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In comparison, the biggest UK company by market value is drug manufacturer AstraZeneca, worth $235.97bn (£178.55bn).

Companies ranked by market value (USD), according to tradingview.com

1. Nvidia (US) $4.43trn
2. Microsoft (US) $4trn
3. Apple (US) $3.12trn
4. Amazon (US) $2.47trn
5. Alphabet (US) $2.35trn
6. Meta (US) $1.95trn
7. Saudi Arabian Oil (Saudi Arabia) $1.56trn
8. Broadcom (US) $1.42trn
9. Berkshire Hathaway (US) $1.03trn
10. Tesla (US) $1.02trn
11. Taiwan Semiconductor Manufacturing (Taiwan) $1trn
29. Samsung Electronics (South Korea) $338.06bn
36. Alibaba (China) $284.62bn
52. AstraZeneca (UK) $235.97bn

While sweeping US tariffs had investors worried about tighter business spending, Microsoft's strong earnings have shown that the company's books are yet to take a hit.

Microsoft's multibillion-dollar bet on OpenAI is proving to be a game changer, powering its Office Suite and Azure offerings with cutting-edge AI and fueling the stock to more than double its value since ChatGPT's late-2022 debut.

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On Wednesday, the firm announced Azure sales surpassed $75bn (£56bn) on an annual basis, while Azure revenue jumped 39% in the April-June quarter.

Overall revenue rose 18% to $76.4bn (£57.81bn) over the same period.

It is also forecasting a record $30bn (£22.7bn) in capital spending over the first quarter to meet soaring AI demand..