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Back to blog December 14, 2017 No Comments Author: Andy Jones

Growth in Public Companies & Market Capitalizations

This time last year, there were a total of 6,713 publicly-traded companies on the three major U.S. stock exchanges (NYSE, NASDAQ, AMEX). This year, there are 6,783 for a net gain of 70 publicly-traded companies.

Listed Companies by Exchange

  • NYSE – net down 20 companies (3,170 to 3,150)
  • NASDAQ – net up 93 companies (3,183 to 3,276)
  • AMEX – net down 3 companies (360 to 357)

Market Capitalization by Exchange

The total market capitalization for these companies collectively increased from $34.2 trillion to $41.2 trillion, a 20.4% increase. The breakdown by exchange:

  • NYSE = $29.0 trillion
  • NASDAQ = $12.1 trillion
  • AMEX = $0.129 trillion

% Market Cap Represented by the Top 5% of Companies

The largest companies dominate the total market capitalization of publicly-traded companies, especially on the NASDAQ. Top 5% of companies’ contribution to total market capitalization:

  • NYSE = 59%
  • NASDAQ = 78%
  • AMEX = 66%

Clearly, the market cap of the big tech titans (Apple, Google, Microsoft, Amazon, Facebook, Intel, Cisco, etc.) figure heavily into the NASDAQ total value.