“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, GM alone—up 78% over the previous 12 months—amounted to 6.8% of the value of the entire U.S. stock market, according to the Center for Research in Security Prices.”
Read the full article at the Wall Street Journal.
“While the Agg is often viewed as representing ‘the U.S. bond market,’ it in fact captures just 52% of the U.S. public bond market. Compare that with equity indices like
December 4, 2023 – Concurrent with the December quarterly ranking period, the Center for Research in Security Prices LLC (CRSP) is announcing the expansion of its CRSP Market Index (CRSPMI)
New Industry Classification Methodology Impact on CRSP US Sector Indexes Aug 11, 2020 The paper compares performance of CRSP Sector Indexes using FTSE Industry Classification Benchmark (ICB®) to CRSP US
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