Which of the following statements about the Dow Jones Industrial Average (DJIA) is incorrect?
A. The DJIA is a simple average stock price, and therefore, different from most other major market indicators which are true "indexes."
B. To maintain its consistency as a price average, the DJIA has to make adjustment to its calculation whenever there is a change in stock composition or a stock split or a substantial stock dividend for its component stocks.
C. Because of numerous changes that had been made over the years, nowadays the divisor of the DJIA is artificially inflated to a very high number.
D. The DJIA has long lost its relevance as a stock price average.