AI-focused Big Tech companies powered the market in 2025. As of December 5, the combined market cap of the “Seven Big Tech” — Nvidia, Apple, Alphabet, Microsoft, Amazon, Broadcom, and Meta — reached $22.0 trillion, up 26.5% ($4.2T) year-to-date.
Alphabet (+67%, +$1.56T), Nvidia (+35%, +$1.14T), and Broadcom (+70%, +$0.76T) accounted for 75% of the group’s total market-cap gains in 2025.
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