The Dow Jones Industrial Common (DJIA), generally often called the Dow, is a inventory market index that measures the efficiency of 30 giant, publicly traded corporations listed on the New York Inventory Alternate (NYSE) and the Nasdaq Inventory Market. It is among the most generally adopted fairness indices globally and serves as a barometer of the general U.S. inventory market.
The Dow was created by Charles Dow in 1896 as a mean of the 12 largest industrial corporations on the time. Through the years, the variety of corporations included within the index has expanded to 30, and its composition has modified to mirror the evolving U.S. economic system. The Dow is calculated by summing the share costs of its element corporations and dividing by a divisor that adjusts for inventory splits and different company actions.