An arithmetic mean return of selected stocks intended to represent the behavior of the market or some component of it. One good example is the widely quoted Dow Jones Industrial Average , which adds the current prices of the 30 DJIA stocks, and divides the results by a predetermined number, the divisor.
AVERAGE
Meaning of AVERAGE in English
Campbell R. Harvey. Hypertextual finance English glossary. Английский словарь гипертекстовых финансов. 2012