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.

Chip maker Nvidia and paint maker Sherwin-Williams join the Dow Jones Industrial Average today. While the move is symbolically important, it is unlikely to lead to any more demand for the stocks. The two companies are replacing Intel and Dow Inc.

The Sherwin-Williams Company will join the Dow Jones Industrial Average, expanding exposure to the materials industry, S&P Global announced.

Nvidia has become a member of the Dow Jones Industrial Average Friday, replacing storied chipmaker Intel as the artificial intelligence darling cements its position as the world’s most valuable company.

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

Sherwin-Williams (NYSE:SHW) on Monday rose as much as 7.1% to become one of the day's biggest large-cap gainers as investors prepare for the addition of the maker of paints and coatings to the Dow Jones Industrial Average (DJIA).

Shares in paint maker Sherwin-Williams are likely to remain in focus after jumping in extended trading Friday following news of its inclusion in the Dow Jones Industrial Average. Monitor these important chart levels.

The swap reflects their reversal of fortunes within the tech industry and would have been unthinkable a few years ago.