“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.
Notable items with this release include:
– December was rough for nearly all Indexes with Value and Smaller Caps taking the brunt of the hit
– Mega and Large Growth were the only style Indexes to post gains for December
– Despite December’s performance, all cap and style Indexes ended the year with double digit returns
CRSP is excited to announce our collaboration with OptionMetrics, a leader in options data and analytics. This agreement enhances academic research by providing seamless integration of CRSP U.S. equities data with OptionMetrics options data, offering new possibilities for comprehensive market analysis.
CRSP data is featured in a Review of Accounting Studies paper showing that firms linked to “superstar” industry leaders face higher financial distress and bankruptcy risk. Read the full research paper.
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