www.fool.com
2026-05-28
The Motley Fool
The CRSP U.S. Total Market Index is made up of all 3,498 companies listed on American stock exchanges. However, the 59 largest companies represent a staggering 70% of the index's total market capitalization, highlighting the extreme concentration of wealth in the corporate sector.
The CRSP U.S. Mega Cap Growth Index exclusively holds those 59 companies. Its top four positions are Nvidia, Apple, A