Great Depression 1929:

Early Stock Tickers: The first stock ticker (top left) was invented by E. A. Calahan in 1867. Since then the ticker underwent many changes. The advent of the ticker revolutionized the stock market by making up-to-the-minute prices available to investors around the country. Previously, updates from t...

1792: Security traders meeting under a Buttonwood tree on Wall Street:

Oliver Kell won the 2020 U.S. Investing Championship, with a return of 941.10%