The Dow Jones Industrial Average (DJIA) aims to reflect the stock market by tracking the titans of U.S. industry. What did that mean in 1896?

The historic addition of artificial intelligence (AI) colossus Nvidia may spell trouble for Wall Street's most iconic index.

Intel will be replaced by Nvidia on the blue-chip Dow Jones Industrial Average index after a 25-year run, underscoring the shift in the chipmaking market and marking another setback for the struggling semiconductor firm.

Nvidia is replacing Intel on the Dow Jones Industrial Average, a shakeup to the blue-chip index that replaces a flagging semiconductor company with the primary vendor of GPUs for AI. The switch will take place on Nov.

Most indexes, like the S&P 500 and Nasdaq Composite, assign a higher weighting to the largest companies by market cap. For example, Apple has roughly 11 times the market cap of Coca-Cola, so it has a much higher weighting in the S&P 500. But in the Dow, Apple is the 12th highest-weighted company by market cap because the index is price-weighted.

For well over a century, the Dow Jones Industrial Average (DJINDICES: ^DJI) has served as a barometer that gauges the health of the U.S. stock market. When the Dow Jones was officially incepted on May 26,