Using CRSP Market Indexes Methodology, CRSP Count™ tracks changes in the number of securities by market cap segments – Mega, Mid, Small and Micro – through time.
CRSP in the News
It’s Nvidia’s Stock Market. You Choose How to Live in It
“In the boom years of the 1950s, the 10 biggest companies, including AT&T, DuPont, and General Motors, regularly exceeded 30% of the value of all U.S. stocks. In July 1955,