Why does the stock market matter?

The stock market, explained in 3 minutes

Curious about the inner workings of the stock market? 1440's got your breakdown of how it works.

The stock market, explained in 3 minutes

The stock market consists of a set of exchanges and other venues where shares of public companies are bought and sold. The Nasdaq and the New York Stock Exchange are two of the most well-known exchanges in the US, while major exchanges also operate around the world, including in Tokyo, Shanghai, London, and São Paulo.

A stock market timeline

The stock market has come a long way since the 1600s, when the first version of a stock exchange was created in Amsterdam. Mile markers along the way include everything from the Dow Jones Industrial Average's creation in 1896 to the stock market woes during the COVID-19 pandemic in 2020.

40 key stock market terms, explained

Liquidity. Forex. Capitalization. Blue chip stocks. These are just a few pieces of stock market vocabulary most people who don't spend all day on a trading floor might not know. Thankfully, we found a fun infographic that makes it easier to learn what 40 key stock market terms mean and why each of them matters.

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.

Why the employment report matters to Wall Street

On the first Friday of every month, the US Bureau of Labor Statistics releases the infamous "jobs report." The report essentially tracks how US employment is doing, from the unemployment rate to the number of people in the US currently on payroll. But most importantly, the jobs report has major implications for the economy at large. To find out how this monthly report impacts Wall Street, read this article.

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.

The role stories play in mass economic trends like bitcoin, crashes

Economics is dominated by numbers, but stories play a huge role in the emotional shifts seen within macroeconomic trends. For example, bitcoin is not just a cost-benefit winner, but a compelling tale of decentralization and independence. This is a 20-minute summary of Nobel prize-winning economist Robert Shiller's "Narrative Economics."

How Netflix changed TV

In April 2017, Netflix reached 100 million subscribers worldwide—a figure that hit 300 million by 2025. With 50 million in the US alone, it has revolutionized the way people consume entertainment. Newsweek takes a look into the company's history and how it became the dominant force in entertainment.

Netflix profits when you're not watching, and its movies are designed that way—read a detail-rich critical essay exposing lesser-known Netflix takes

The Nasdaq is typically the world's second-largest stock exchange when measured by the total market value of the companies listed on the exchange

However, the Nasdaq sometimes surpasses the NYSE in terms of the total market cap of all the companies listed on each exchange. For instance, as of late April 2026, the Nasdaq's roughly 4,000 listed companies had a total market cap of about $44T, while the NYSE's roughly 2,300 companies' total market cap was around $38T.

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%.

Why companies go public

There are many ways the founders of private companies can make money off an exit. They could sell the company to a larger organization, for instance. But there are unique benefits to having a company listed on the stock market that aren’t often outlined in news alerts about IPOs.

Many retail investors exited the stock market after 2008, leading to a drop in individual market participation

That changed thanks to GameStop, federal stimulus checks, and strong corporate results in the first quarter of 2021. This chart plots how much retail investors poured into the market each day, reaching records in early 2023.

Pop culture sometimes changes the way people invest

After the "Barbie" movie premiered, the number of investors in Barbie parent company Mattel's stock grew more than six times larger on the investment platform Public, according to the platform's recent report. Other cultural trends have affected which stocks investors choose as well.

Hear why some experts and investors think short selling keeps the market healthy

Despite criticism that short selling incentivizes downturns in the market, many experts and investors say that short selling is a critical aspect of price discovery and market efficiency. These experts and investors say that short sellers help detect fraud and prevent stocks from becoming overvalued.

The dot-com stock bubble taught Howard Marks about markets

Annual investment letters from Howard Marks, the billionaire cofounder of top distressed debt shop Oaktree Capital Management, are required reading on Wall Street. The prolific writer and investor explains the distinction between the folly of trying to time the market and the necessity of paying attention to market cycles. The difference makes all the difference in returns.

The wealthiest Americans own the vast majority of the stock market

Recent data from the Federal Reserve shows that the richest people in America own 93% of all the country's stock—the highest level ever recorded. Meanwhile, the bottom 50% of Americans held just 1% of all stocks.

What are neural networks and why do they matter?

Learn how a neural network works, why it matters, and how it can be trained to recognize patterns, classify data, and forecast future events.

A statistical breakdown of the global film industry

Dive into this collection of stats and infographics explaining the current state of both Hollywood and the global film industry. The page covers a variety of topics, including independent film production, box office revenue, global film markets, movie-going demographics and more. It also addresses the relatively new phenomenon of home video streaming.

What's the difference between a stock and a share?

While the words "stock" and "share" are often used interchangeably in casual conversation, they have different meanings. For instance, "stock" is more general, whereas "share" is more precise.

Meme stocks often have little underlying value but are fueled by crowd funding

"Meme stocks" is a phrase originating in the early 2020s, referring to companies with little underlying value who gain recognition through social media and whose stock price experiences rapid gains.

Read about the evolution of the S&P 500 and its recession recovery

Since the S&P 500 is considered a bellwether index (meaning it represents the health of the US economy), its value is important for investors in both bull and bear markets. The S&P 500 has been impacted by recessions and downturns, from the 1970s oil crisis to the dot-com crash of the early 2000s.

The 1929 stock market crash is a defining example of a financial bubble burst

Fueled by margin speculation and intense optimism, stock prices soared to unsustainable levels before collapsing in late October—erasing billions in market value within days.

The bond market is where bonds and other debt securities are traded

Bonds are fixed-income investments allowing individuals to lend a specific amount of money to a large entity, like a government or corporation, for a set amount of time in return for interest paid out over the life of the loan. The bond market is widely considered a key economic barometer.

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

The US national debt has become more important in recent months

In a moment of deep economic uncertainty, the national debt now matters more than ever. Listen to this podcast to find out why and also explore answers to questions like, "Who does the US owe money to and why?"

The transatlantic cable allowed for communications between North America and Europe

It had significant impacts on just about every industry, including finance. Specifically, the transatlantic cable made it so that real-time financial transactions could take place across the Atlantic, and allowed for much faster sharing of information that increased global market accuracy.

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.

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.

How Amazon operates a 'flywheel' business model, a self-reinforcing cycle that drives continuous growth

The US dollar is the most widely circulated currency in the world, and is involved in nearly 90% of global transactions

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

Watch this video that uses Lego bricks to explain how venture capital works.

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.

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.

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

See how fireworks are made and learn how metals like magnesium and copper are responsible for different colors.

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

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

Discover the catastrophic consequences of a failure of the US electrical grid—something that is more likely than many Americans think.

The first steps to rebuilding your credit score include getting to know exactly what's on your credit report and figuring out how far you are from the '700 club,' or 'good score' range.

Chaos theory—informally known as the butterfly effect—is the reason why weather forecasts are presented with probabilities rather than certainties.

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

Studies suggest when you sleep is as important as how much you get, and syncing with your circadian rhythms may lead to less fatigue and improved long-term health outcomes

Use this calculator to find the dollar value of your mental load, from meal planning to coordinating after-school care for your children.

While the sun's gravity keeps the planets in orbit, their gravity also pulls on the sun, causing it and everything else in the solar system to orbit around a mutual balance point called the barycenter—the true center of the solar system.

When a Paris department store hesitated to sell Estée Lauder's perfume, she 'accidentally' broke a bottle, causing the smell to spread throughout the store and shoppers to start asking to buy the scent.

Fast-casual restaurant Chili's is experiencing a resurgence, with its parent company recently reporting a nearly 32% increase in sales, thanks to passionate Gen Z fans on TikTok.

El Niño, Spanish for 'the boy,' was named after Jesus Christ because the phenomenon resembled the weather changes observed around Christmastime.