S&P 500
SPX · USD
The deepest, most liquid capital market on Earth.
The U.S. equity market is the cornerstone of global finance — home to the world's most profitable companies, the reserve currency, and the deepest pool of institutional capital. The S&P 500 alone accounts for roughly half of global equity market cap.
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 & Industrials
16%Oil majors, defense primes, aerospace, rails.
Top companies
The franchises that matter
Apple
World's most valuable consumer brand.
Microsoft
Cloud + AI duopoly leader with Azure & OpenAI.
Nvidia
AI compute monopoly — datacenter GPU king.
Alphabet
Search, YouTube, Android, Waymo.
Berkshire Hathaway
Buffett's compounding machine.
Latest News
The U.S. represents ~60% of global equity market cap with only ~4% of world population.
The S&P 500's longest bull market lasted 11 years (2009–2020).
Apple alone is worth more than the entire stock market of Germany.
- Rule of law & shareholder rights
- Reserve currency funding
- World-class innovation ecosystem
- High valuations vs. history
- Mega-cap concentration
- Political & fiscal polarization
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Other markets we cover
See how we invest globally
Explore the ZIIX public portfolio across these markets.