Dow components are chosen by a committee, not a formula

The Dow’s price-weighted formula makes stock price matter more than size

Unlike most indices, which weigh companies by market value, the DJIA is price-weighted—meaning higher-priced stocks have more influence on its movements. As a result, a company’s share price matters more than its overall size.

Critics argue the Dow no longer reflects the modern economy

With only 30 companies and a price-weighted formula, skeptics say the DJIA underrepresents vast sectors of the market. They claim it is outdated, though its close correlation with the broader S&P 500 keeps it relevant.

The S&P 500 selection committee has strict rules around adding a company to the index

While the decision to add a company to the index is ultimately up to the selection committee, any prospective company has to meet some criteria to be considered. To join, the company must have been profitable for the last four quarters, must have a market capitalization exceeding $22.7B, and meet certain requirements around tradeable stock availability (or float).

The Dow Divisor keeps the index consistent through time

To adjust for stock splits, mergers, and replacements, the DJIA uses a figure called the Dow Divisor. Originally valued around 12 in 1896, and now less than one, it ensures today’s index levels remain comparable with the past.

The Dow now tracks 30 major US companies across various industries

Since 1928, the DJIA has included 30 firms. Today's group spans technology, healthcare, and finance—with Apple, Microsoft, JPMorgan Chase, Pfizer, and Coca-Cola among its most recognized components.

The Dow Jones Industrial Average vs. the S&P 500: Which one is a better representation of the economy?

The Dow and S&P 500 are both indexes meant to provide a broad representation of the economy. The Dow has 30 companies and is weighted by share price, while the S&P 500 has 500 different companies weighted by market capitalization. Since the indexes are so different, investors don't always agree on which index is a better representation of the economy—though the two move in the same direction more than 90% of the time.

The Dow remains a shorthand for America’s economic health

For over a century, the Dow Jones Industrial Average has been one of the most closely watched market barometers. Its rises and falls dominate headlines and politics, shaping how Americans perceive the strength of their economy.

See every company in and out of the Dow since 1928

The index has had 30 companies since 1928. See each company’s tenure on the index and what firms were added or replaced by year and industry.

The Dow Jones Industrial Average was created in the aftermath of a financial crisis

Charles Dow introduced the index in 1896, following the Panic of 1893—a severe economic downturn. The DJIA offered investors a straightforward tool to track recovery and gauge the health of America’s emerging industrial economy.

Stock indexes track markets through groupings of companies

A stock index measures the performance of selected companies, offering a snapshot of market trends. Examples include the Dow Jones Industrial Average, the S&P 500, and the Nasdaq Composite.

Some argue that the S&P 500 is actually an actively managed index

Some critics of the S&P 500's selection process argue that human involvement makes it an actively managed index. S&P Global maintains that while a human selects the stocks in the index, those decisions are not made with the intent of maximizing performance, but rather, to provide a snapshot of the largest companies across different industries.

Dow Theory laid the groundwork for modern market analysis

Developed by Charles Dow in the late 19th century, Dow Theory argued that markets move in trends. Its principles—confirmation, trends and volume—still influence technical analysis today.

GE’s removal marked the end of an era for the Dow

General Electric, the last surviving original Dow component, was dropped in 2018, after years of decline. Its exit symbolized the fading dominance of industrial giants and the index’s shift toward technology and healthcare.

Read about the 'gatekeeper' of the stock market, former index chair at S&P Global

David Blitzer, the former index chair at S&P Global, earned the nickname "gatekeeper" of the stock market after helping decide which companies made it into the S&P 500 for 24 years. Blitzer became a legend in the world of indexing and has a reputation for being even-tempered and always wearing a bow tie.

The Nasdaq's 'Magnificent 7' companies are responsible for roughly 40% of the Nasdaq 100 index's gains, while the remaining 93 companies account for the other 60%.

S&P 500 stocks that have increased their dividends for 25 consecutive years are called 'dividend aristocrats'

Dividend aristocrats are considered the best of the best on the S&P 500—all with market capitalizations above $3B, more than $5M in daily trading volume, and consecutive dividend growth for a minimum of 25 years. Some examples of dividend aristocrats are Coca-Cola, Procter & Gamble, and Walmart.

Dozens of S&P 500 stocks, including Coca-Cola and Walmart—known as the dividend aristocrats—have increased dividends every year for 25 years

Mutual funds are categorized as stock, bond, money market, and target-date funds

Each category has even more varieties of funds to choose from, but the biggest differences between these groups are the types of securities they invest in, their risks, returns, and entrance requirements.

See the top 100 ETFs by trading volume

This list grabs the top 100 by trading volume, or the average number of shares that have traded hands over a 3-month period. Top of the list is a semiconductor-focused fund from Direxion, followed by other tech-centric offerings.

Dual-class stock structures separate equity and decision-making authority

In the past few decades, dual-class stock structures have become an increasingly popular way for companies to raise capital in public markets without allocating traditional shareholder voting rights. Meta, Estée Lauder, and The New York Times are companies that are famously dual-class.

The Yale model of investment allocation, explained

College endowment managers long held to the traditional allocation of 60% domestic stocks and 40% bonds. But Yale’s David Swensen developed a new approach: deprioritizing low-risk fixed income and liquid assets in favor of alternative investments to leverage endowments' long-term investment horizons and capture the “liquidity premium.”

Ten people on Goldman Sachs’ 31-person senior management committee are women

However, only two of those 10 women were in charge of a revenue-generating business arm. Learn more about what it’s like to be a woman in investment banking—and about Goldman’s recent gender discrimination settlement.

How to put on a hedge

These days, hedging your portfolio isn’t just for hedge fund managers. An explainer from Robinhood delves into what a hedged position actually is, why traders put on hedges, and how you, too, can work to guard your holdings against a market downturn. The idea is to derive gains from your portfolio when markets are trending up, down, or sideways.

A startup is trying to create the diamond equivalent of the gold standard

It's called the Diamond Standard Co, and it uses an algorithm to assign standard values to a variety off small diamonds, grouping them together into individual coins. Historically, diamonds haven't been able to be classified as commodities or standardized like gold because they aren't uniform—factors such as clarity, cut, color, and carat size significantly influence the value of a diamond.

The WEF’s ‘Davos Manifesto’ is a set of guiding principles for the event

In 2020, these principles were updated for the first time in more than 40 years to include “stakeholder capitalism,” the idea that a company’s purpose is “to engage all its stakeholders in shared and sustained value creation.”

What is the lipstick index?

The lipstick index is an economic theory that breaks down to this: when consumers think an economic downturn is looming, sales for affordable luxury items (such as lipstick) go up. While it's not an economically proven theory, it's still worth considering. So why do consumers exhibit this behavior? Read more about the lipstick index to find out.

The Federal Open Market Committee is a 12-member voting body that sits within the Fed

The committee meets every six weeks to decide whether to maintain, raise, or lower the federal funds rate, which determines all lending costs in the US. It consists of the seven permanent central board members, the president of the New York Fed, and four rotating heads of the other 11 regional banks.

Hedge funds, the private investment firms that trade a wide swath of financial assets, make money by imposing steep fees on investors and from the fund's investment performance.

Learn how to read a prospectus, the juicy document that any company must file with the SEC before going public.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

Despite being favored by 87% of Americans, Congress does not have term limits.

The price of gas is a composite made up of several different factors, with the federal gas tax making up less than 20% of what drivers pay at the pump.

See a ranking of the best (and worst) Federal Reserve Chairs since 1914 out of the 16 men and women who have held the office since.

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

A century of Billboard issues documenting the evolution of popular music.

Up to a million Girl Scouts sell about 200 million cookie boxes every spring, generating $800 million, largely because refusing a child is frowned upon

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

Legendary architect Frank Lloyd Wright designed the SC Johnson headquarters in Wisconsin, aiming to make a cathedral-like workplace

Corals are themselves not coral reefs—the term refers to the tiny marine invertebrates that build the rigid reef.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

Sony set the standard for cylinder-shaped batteries when it repurposed manufacturing equipment used to make rolls of magnetic recording tape.

'Silent' fireworks have gained more interest in recent years as a quieter celebratory option.

The hormonal disorder PCOS was renamed PMOS in 2026, a move designed to improve care and research by shifting the focus to the hormonal causes of this condition that affects 1 in 8 women.

To reduce wrinkles in clothing, research recommends gentle wash cycles with more water and tumble drying with smaller loads and longer times.

'Saturday Night Fever,' the 1977 film that introduced disco to the mainstream, was based on a fabricated magazine story.

Browse a detailed visual analysis of over 200,000 similes—comparisons that often use 'like' or 'as'—from popular fiction to see how frequently writers the same idiomatic expressions.

Explore chaos in this simulation of two double pendulums, where small differences in the release angles produce wildly different outcomes.

Poison ivy's characteristic rash is caused by an allergic response to an oily compound in the plant called urushiol.

Most of the observable universe's volume consists of voids and supervoids—enormous regions of space with little to no galaxies, stars, or light.