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Dow's Flawed Weighting: Big Tech Loses Influence
7 Feb
Summary
- Dow's weighting favors high-priced stocks, not market value.
- Top five market-cap stocks would be 69% if weighted differently.
- Current Dow weighting sees top stocks make up only 35%.
The Dow Jones Industrial Average faces scrutiny from professional investors due to its distinctive weighting system. Unlike other major indices such as the S&P 500 and Nasdaq composite, the Dow does not prioritize companies based on their overall market value.
Under the Dow's current methodology, stocks with higher share prices receive greater weighting. Consequently, the five largest companies by market capitalization—Nvidia, Apple, Microsoft, Amazon, and Walmart—would represent a significant 69% of the index if it were market-cap weighted. However, in its present form, these same companies, along with others like Goldman Sachs, Caterpillar, Home Depot, and Amgen, collectively account for approximately 35% of the index's total weighting.
