Dow Jones' revolving door: What happened to 5 companies after that were dropped from the DJIA

However, the Dow is actually managed by a group of people: The S&P Dow Jones Indices Index Committee (more on them below), who try to make sure that the price movements of a single company don’t distort the index’s main objective, which is to be a reflection of the broader market. This committee meets monthly and makes changes to the index on an “as-needed” basis, which includes adding or removing components.Stock splits also wreak havoc on the index: When Apple ( AAPL ) split 4:1 in 2020, for example, its ...