Immunoglobulin E (IgE) is an antibody that is produced by the body's immune system in response to a perceived threat. It is one of five classes of immunoglobulins and is normally present in the blood in very small amounts. IgE is associated with allergic responses, including asthma, and to a lesser degree with immunity to parasites.
Dow jones index average and median historical return based on 1 year , 5 year, 10 year and 20 year are shown in the below table. Dow Jones yearly return are also shown in the graph From 1921 to 2016.Djia had 7.4% percent return on average from 1966 to present.
The price-to-earnings ratio of the Dow Jones Industrial Average Index is the value of the index divided by total earnings of the stocks that make up the index. Even though the index began in 1896, the year 1929 is a commonly used reference point for any long-term average because of the 1929 stock market crash.