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United States

S&P 500 · NASDAQ 100

SPX · NDX · USD

The deepest, most liquid capital market on Earth.

Market cap
~$55T
Listed
~5,800
Founded
NYSE: 1792 · Nasdaq: 1971
Hours
09:30–16:00 ET
Overview

The U.S. equity market is the cornerstone of global finance — home to global businesses, the reserve currency, and a deep pool of institutional capital. The S&P 500 tracks large U.S. companies across sectors, while the NASDAQ 100 tracks the largest non-financial companies listed on Nasdaq, with a heavier technology and growth-company exposure.

Washington, D.C. · NYSE & Nasdaq in NYCUSDSPX · NDX

Sector breakdown

What drives the index

Technology

31%

Mega-cap platforms, semis, software, AI infrastructure.

Healthcare

12%

Global pharma, biotech innovation, medical devices.

Financials

13%

Universal banks, payments rails, insurers, asset managers.

Consumer

17%

Discretionary giants and defensive staples worldwide.

Energy

Oil and gas producers, refiners and energy services.

Industrials

Aerospace, defence, railways and industrial equipment.

Top companies

The franchises that matter

#1 · Technology

Apple

AAPL

World's most valuable consumer brand.

#2 · Technology

Microsoft

MSFT

Cloud + AI duopoly leader with Azure & OpenAI.

#3 · Semiconductors

Nvidia

NVDA

AI compute monopoly — datacenter GPU king.

#4 · Communications

Alphabet

GOOGL

Search, YouTube, Android, Waymo.

#5 · Conglomerate

Berkshire Hathaway

BRK.B

Buffett's compounding machine.

#6 · E-commerce & Cloud

Amazon

AMZN

Online retail leader and owner of AWS.

Did you know?

Latest News

1

The U.S. represents ~60% of global equity market cap with only ~4% of world population.

2

The NASDAQ 100 excludes financial companies and is not a pure technology index.

3

Apple alone is worth more than the entire stock market of Germany.

Why it's interesting
  • Rule of law & shareholder rights
  • Reserve currency funding
  • World-class innovation ecosystem
Risks to watch
  • High valuations vs. history
  • Mega-cap concentration
  • Political & fiscal polarization