Well, looks like the Dow might cross 20,000 today or tomorrow. Some interesting pieces of trivia in this article on the Dow. https://finance.yahoo.com/news/dow-20000-approaching-145145621.html Since its inception in 1896, the Dow’s average annual return has been 7.27%. The average daily return is .02537%, with the average positive day seeing a gain of 0.71% and the average down day seeing a loss of 0.74%. July is the best month of the year, with an average return of 1.3192%, while September has been the index’s worst month, with an average loss of -1.0586%. The Dow’s best year ever was 1915, when the index gained 81.66%. The Dow’s worst-ever year was 1931, when it lost 52.67%. The index’s best decade ever was the 1990s, when it gained 317.59%. It’s worst decade was the 1930s, when the Dow lost 39.54%.