“Antti Petajisto contributed to the literature on the risks of concentrated positions with his June 2023 study, “Underperformance of Concentrated Stock Positions.” His data sample was from CRSP and covered U.S. stocks over the period 1926-2022.”
Read the full article at Financial Advisor Magazine.
“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,
Professor Nagel served as Executive Editor of the Journal of Finance, one of the leading academic finance journals in the world, from 2016 to 2022. Previously, he was an editor
CRSP would like to congratulate Lubos Pastor on being elected to Vanguard’s Board of Directors. Lubos will be stepping down from CRSP’s Fiduciary Board, but will be remain on CRSP’s
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