Changes in Market Concentration Over Time

Introduction

The biggest companies in the world (2019), by market value, are mostly technology companies like

- USA (Apple, Alphabet, Microsoft, Amazon & Facebook)

- China (Alibaba and Tencent)

- South Korea (Samsung)

Below table shows changes in market capitalisation over 20 years since 1999 for the largest 10 corporations in the world; with the staggering rise of the technology firms during this period. The table demonstrates how things can change very quickly some of the big players.

https://www.visualcapitalist.com/a-visual-history-of-the-largest-companies-by-market-cap-1999-today/