The largest technology companies by market cap, ranked. Nvidia, Apple, and Microsoft lead -- see who rounds out the list.

Nvidia's growth will open up a huge gap by 2028.

Nvidia keeps nearly $56 of every $100 in revenue as profit. For some of the world’s largest companies, it’s less than $1.

Apple's $4.88T market cap edged NVIDIA's $4.85T, reclaiming the world's most valuable company title it last held in April 2025. Buffett's Apple stake, representing 22% of Berkshire's portfolio at ...

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