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 Nvidia (NVDA) , this has been the best of years. The company, led by Jensen Huang, makes the graphic processing chips that are the foundation of artificial intelligence, and everyone wants a piece of the company.

Financial writer analyzes historical DJIA changes to caution against over-optimism on Nvidia Corporation's stock inclusion. Click for my NVDA performance update.

The ins and outs of membership in the 30-company group that represents success across industries and reflects stock market conditions.

Intel will be replaced by Nvidia in the Dow Jones industrial average after a 25 year run, signaling a shift in the semiconductor industry.

The Dow Jones Industrial Average held most of its midday gains in the afternoon session Wednesday as an inflation report showed price gains were in line with estimates. Meanwhile, a company backed by artificial intelligence giant Nvidia took a dive in the stock market today.