The Dow Jones index is by far the oldest and most influential stock index. Since its compilation, 100 has never stopped. 1On June 3rd, 884, charles dow, the founder of Dow Jones Company, began to compile the stock price index and published it in the daily newsletter. Today's Dow Jones index was published in the Wall Street Journal. It is divided into four sub-indices: industrial stock price index, transportation stock price index, public utility stock price index and comprehensive stock price index. Among them, the industrial stock price index is the most widely used. Under these four kinds of indexes, there are several sub-indexes, totaling more than 300.