The Dow 30 is a stock index that tracks the price movements of 30 large-cap publicly traded US stocks listed on the New York Stock Exchange or the Nasdaq.
Dow Jones Industrial Average is another name for the Dow Jones Industrial Average.
DJIA is an acronym.
The Dow is also known as the Dow Jones.
Except for the transportation and utility sectors, the Dow 30 companies represent all industries. The Dow Jones Transportation Average and the Dow Jones Utility Average both track these two industries.

The Dow 30, or simply the Dow Jones Industrial Average (DJIA), is a stock market index that tracks the performance of 30 major publicly traded companies listed on the New York Stock Exchange (NYSE) and the NASDAQ. Created by Charles Dow and Edward Jones in 1896, the Dow 30 is one of the oldest and most widely followed stock market indices in the world.

The index includes companies from various sectors such as technology, finance, healthcare, and consumer goods, offering a broad representation of the overall stock market. The Dow 30 is often considered a barometer of the U.S. economy's health and is used by investors to gauge market trends and make investment decisions. The components of the Dow 30 are periodically adjusted to reflect changes in the economy and stock market landscape, making it a dynamic indicator of market performance.