Dow: Also known as Dow Jones index, it is the longest-lived stock index in the world, and its full name is the average stock price index. When someone talks about the Dow Jones index, he may mean the first of the four groups of the Dow Jones Industrial Average.
Nasdaq: Also known as Nasdaq index, it is the name of the automatic quotation system created by the National Association of Securities Dealers in the United States in 1968. Its main feature is to collect and publish quotations for over-the-counter transactions, that is, securities companies whose shares are not listed. Nasdaq index is an average stock price index reflecting the changes of Nasdaq stock market, and its basic index is 100.
Dow Jones index is a representative company of traditional industries, generally referring to the industrial index. Nasdaq index is more inclined to high-tech companies, which is an innovative model and has more development potential.