The 10 Biggest Companies by Market Cap in 2001
General Electric
Cisco
Exxon
Pfizer
Microsoft
Wal-Mart
Citigroup
Vodafone
Intel
Royal Dutch Shell
The 10 Biggest Companies by Market Cap Today
Apple
Microsoft
Alphabet
Amazon
Facebook
Tesla
Berkshire Hathaway
TSMC
Tencent
Nvidia