Source: The Stock Market Is Shrinking. That’s a Problem for Everyone. | The New York Times, by Jeff Sommer
When I say “shrinking,” I’m using a specific definition: the reduction in the number of publicly traded companies on exchanges in the United States. In the mid-1990s, there were more than 8,000 of them. By 2016, there were only 3,627, according to data from the Center for Research in Security Prices at the University of Chicago Booth School of Business.
Because the population of the United States has grown nearly 50 percent since 1976, the drop is even starker on a per-capita basis: There were 23 publicly listed companies for every million people in 1975, but only 11 in 2016, according to Professor René Stulz.
In 2015, for example, the top 200 companies by earnings accounted for all of the profits in the stock market, according to calculations by Kathleen Kahle, a professor of finance at the University of Arizona, and Professor Stulz. In aggregate, the remaining 3,281 publicly listed companies lost money.