U.S.-Listed Companies

Understand the companies behind everyday life.

Learn what public companies do, what they sell, who they serve, and how they grew—without stock tips or finance jargon.

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NASDAQ · NVDA

NVIDIA

AI chips, computing systems and software

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NASDAQ · AAPL

Apple

Devices, operating systems, services and custom silicon

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NYSE · BRK.A / BRK.B

Berkshire Hathaway

Understand Berkshire Hathaway's insurance, operating businesses and investments, how float and capital allocation work, and the distinct roles of its current leadership.

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NYSE · PFE

Pfizer

Medicines, vaccines, research, manufacturing and global commercialization

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NASDAQ · AMD

AMD

CPUs, GPUs, adaptive computing, software and AI systems

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NASDAQ · AVGO

Broadcom

Understand how Broadcom combines custom AI silicon, networking, connectivity and infrastructure software, who pays it, and what its portfolio depends on.

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NYSE · XOM

ExxonMobil

How ExxonMobil connects oil and gas production, fuels, materials, lubricants and emerging industrial services, with distinct ownership, capital and reporting boundaries.

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NASDAQ · META

Eli Lilly

Understand Lilly's medicine-development business, major products, manufacturing, patient access, alliance economics and the need to renew its portfolio.

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