Sector sizes of the S&P 500 over time

Dot-com bubble The largest sectors and companies of the S&P 500 by market capitalization have changed over time. Prior to the dot-com bubble bursting in March 2000 the technology sector made up a third of the S&P 500 thanks to companies such as Microsoft, Cisco, Intel, Lucent Technologies, IBM, America Online and Oracle. 2007-2008 financial […]