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Sam Ro shares data on the number of companies listed on the NYSE, Nasdaq, and American Exchanges spanning the years 1926 to 2025.
The information provides a historical perspective on listings across major U.S. stock exchanges.
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Sam Ro has previously reported on S&P 500 index changes, with companies including Bloom Energy, Illumina, and Everpure added while Molson Coors, Trade Desk, and Builders FirstSource were removed here. In another update, he noted that S&P 500 earnings estimates have been upgraded significantly each quarter over the past year here. These developments have featured alongside his coverage of shifts among U.S. stock listings.