Part 1 of Essay
Dow Jones & Company was founded in 1882 by Charles Dow, Edward Jones and Charles Bergstresser. The Dow Jones Industrial Average is now the world's most vital business and financial news and information service. The DJIA is an index of 30 "blue-chip" US stocks. The Dow Jones Industrial Average tracks the stock performances ....

Part 2 of Essay
.... in his average and divided by the number of stocks. But over time the divisor has been changed to preserve historical continuity. If the Dow were an average,as it once was,it would be determined with simple math skills:by adding up the prices of its companies shares,dividing that by thirty. But the stock market can sometimes be to hectic for basic math. The most frequent reason for this is a stock split. Suppose a company in the DJIA issues one new share for each share outstanding. After this two- for-one "split," ....