Why the Dow Is a Dumb Index
The Dow Jones industrial average is hopelessly archaic.

The Dow Jones industrial average is hopelessly archaic. When it was created in 1896 with just 12 stocks, its chief selling point was that it could be quickly calculated using only pencil and paper. Today, the Dow consists of 30 large companies, chosen by editors of the Wall Street Journal.
The small number of stocks is one shortcoming. By contrast, other important benchmarks of the U.S. stock market contain 500 stocks (Standard & Poor's 500-stock index), 1,000 stocks (Russell 1000) and about 5,000 (Wilshire 5000).
Moreover, Journal editors tend to add companies after they've passed their prime, giving rise to the argument that entering the Dow is more curse than blessing. Over the past ten years, new Dow stocks lost an average of 20% in the first year after their inclusion. Microsoft is 38% below its level when it was added in late 1999. American International Group, which entered in 2004, is already out of the Dow. Bank of America is off 58% since joining in early 2008.

Sign up for Kiplinger’s Free E-Newsletters
Profit and prosper with the best of expert advice on investing, taxes, retirement, personal finance and more - straight to your e-mail.
Profit and prosper with the best of expert advice - straight to your e-mail.
The Dow's biggest fault is that it weights stocks according to share price rather than market capitalization. As a result, a 1% move in the price of IBM, which closed at about $120 in mid August, counts about six times as much in the Dow as a 1% change in Intel, which closed at $19, even though IBM's market value is only 51% greater than Intel's.
Gus Sauter, chief investment officer at the Vanguard Group, says fund managers don't pay attention to the Dow. "If you're trying to get a handle on what the market is doing, you'll look at the S&P 500 or a total-market index." Perhaps the Dow's biggest accomplishment is that, warts and all, it has retained its status as the public face of the U.S. market.
Get Kiplinger Today newsletter — free
Profit and prosper with the best of Kiplinger's advice on investing, taxes, retirement, personal finance and much more. Delivered daily. Enter your email in the box and click Sign Me Up.

-
Over 50 and Still Paying Student Loans? Here's Some Help
It's the club no one wants to join. But if you are over 50 and still paying student loans, there are ways to tackle both debt and retirement savings.
-
Eight Estate Planning Steps to Protect Your Loved Ones (and Your Legacy)
Two-thirds of Americans don't have an estate plan. If you're one of them, these are the essential steps to take now to prevent problems for your family later.
-
Stock Market Today: Good Feelings and Solid Data Lift Stocks
Resilience and de-escalation defined another generally positive day for financial markets.
-
Stock Market Today: Tesla Drags on Stocks Amid Musk-Trump Feud
Sentiment has soured between President Trump and his once-loyal ally, Tesla CEO Elon Musk.
-
Stock Market Today: Stocks Brush Off Weak Jobs Data
The yields on the 2-year and 10-year Treasury notes fell sharply after a pair of weak economic reports.
-
Stock Market Today: Rally Extends on Good-Enough Expectations
Fiscal policy still has markets' attention, but taxes rather than tariffs and deficits rather than inflation are participants' primary focus.
-
Stock Market Today: Markets Move With Fresh Trade War Winds
The new uncertainty is the same as the old uncertainty, which is fine with investors, traders and speculators.
-
Stock Market Today: Stocks Bounce as US-China Tensions Escalate
Stocks were volatile to end the week and the month amid concerns a trade truce between the U.S. and China is splintering.
-
Stock Market Today: Stocks Chop as Judges Block Then Reinstate Tariffs
The Trump administration has asked for and received a stay in a case that seems headed for the Supreme Court.
-
Stock Market Today: Stocks Struggle Ahead of Nvidia Earnings
The three main indexes closed lower as Wall Street awaited the AI bellwether's quarterly results.