In 2006, General Electric and ExxonMobil were the top U.S. companies by market cap. In 2026, technology firms, especially in AI, lead. Currently, only four companies are in the $3 trillion club, with Nvidia at the top. Meta Platforms and Broadcom are predicted to join by 2027.

Meta Platforms excels in AI, boosting user engagement and revenue. With a market cap of $1.6 trillion, it aims to reach $3 trillion with revenue growth. Analysts predict it could achieve this milestone by 2029, especially with increased AI funding.

Broadcom plays a crucial role in the AI ecosystem with its ASICs. It reported record revenue in Q4, with a backlog driven by AI demand. Analysts forecast revenue growth that could push its market cap to $3 trillion by 2029 or sooner, with front-loaded growth estimates.

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