What happens when a stock splits in the Dow Jones Industrial Average?

Core Insights - The Dow Jones Industrial Average (DJIA) is a price-weighted index consisting of 30 American blue-chip stocks, where higher-priced stocks have more influence on the index's value [1] Group 1: Stock Splits - Stock splits increase the number of outstanding shares while lowering the stock price, which can theoretically impact the DJIA's value [2] - Unlike price-weighted indexes like the DJIA, capitalization-weighted indexes do not require adjustments for stock splits since the market capitalization remains unchanged [3] - Companies conduct stock splits to make shares more affordable, such as a 5-for-1 split turning a $500 share into five $100 shares [5] - Stock splits do not affect the underlying company's market capitalization; they merely increase the number of lower-priced shares [6] - The frequency of stock splits has decreased due to fractional share trading, which allows investors to buy portions of shares [7] - Despite this, stock splits are still common as they signal strength and indicate a long-term rise in stock price [8] Group 2: Dow's Handling of Stock Splits - The DJIA's price-weighted nature means that stock price changes in higher-priced stocks have a greater impact on the index [9] - Stock splits can significantly reduce a stock's price, potentially causing volatility in the DJIA if not properly accounted for [9]