The Nasdaq's 'Magnificent 7' have an outsized impact on the Nasdaq 100's performance

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%.

Many of the top companies in the US by market cap began as tech startups

Combined, the top seven companies by market cap in the US as of December 2024—Apple, Nvidia, Microsoft, Alphabet, Amazon, Meta, and Tesla—were worth more than $16T at the time.

The Nasdaq 100 index tracks the exchange's 100 largest non-financial companies

This index was created in 1985, over a decade after the Nasdaq first launched. The companies on the index must meet certain criteria, including having a minimum average daily trading value of $5M.

Why some say the S&P 500 has effectively become an AI fund

The S&P 500 is a market-cap-weighted index, which means companies with larger market capitalizations have a larger impact on the index's overall performance. Many of the top companies in the index are currently tech companies—including Nvidia, Microsoft, Alphabet, and Apple—that all have large investments in artificial intelligence. As a result, some analysts are concerned that the index is overly exposed to risky AI investments.

Visualize the differences between the NYSE and the Nasdaq

The two largest stock exchanges in the world by market cap of their listed companies have many key differences, including the number of companies listed on each exchange (the NYSE has fewer companies than the Nasdaq), their perceived volatility (the Nasdaq is perceived as more volatile), and more.

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.

See Bloomberg's continuously updated Billionaire Index

This ranking, updated daily, shows a running tally of the world's 500 richest people. Tesla and SpaceX CEO has largely been atop the list, with a net worth of around $450B as of October 2025. Values fluctuate significantly as much of the wealth is tied to equity in companies.

Even iconic companies can get dropped from the Dow

The Dow’s lineup evolves as the economy changes. General Electric, part of the original 1896 index, was removed in 2018, after 122 years. ExxonMobil, once the world’s largest company, was replaced by Salesforce in 2020.

See a real-time list of the most shorted stocks in the US

Every two weeks, the Nasdaq and New York Stock Exchange release the stocks with the most short positions. Some of the companies with the highest short positions as of early 2026 were Hims & Hers and Groupon.

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.

Microsoft was the most popular stock in hedge fund portfolios as of Q1 2024

874 hedge funds held Microsoft stock at the time. This infographic shows more of the most popular stocks in hedge fund portfolios.

Why does the stock market matter?

Open any newspaper, turn on your local TV news station, or listen to a daily business radio segment, and you’re bound to hear about how the stock market is performing. Netflix created a 17-minute (free) explainer that dives deep into the nitty-gritty of how we got here.

The original 'four horsemen' of tech were Intel, Dell, Microsoft, and Cisco

These companies became known as the "four horsemen of tech" for the influence the companies had both on other businesses and investors in the late 1990s and early 2000s. The expansion of internet infrastructure throughout the 1990s and the dot-com bubble lifted these companies to incredible heights.

Nvidia controls more than four-fifths of the GPU market—but isn't considered a monopoly

Semiconductor company Nvidia has a commanding market share when it comes to graphics processing units. Its competitors include Advanced Micro Devices and Intel, which together account for less than a fifth of the GPU market.

Eleven of modern history's greatest investors

The greatest investors have all made a fortune off of their success and, in many cases, have helped millions of others achieve similar returns. Read about the lives and approaches of Carl Icahn, Warren Buffett, George Soros, and more.

The seven major US freight rail companies

The US railroad industry is dominated by seven long-running freight conglomerates. Get the basics on each of these companies with this brief overview.

The 'big bang' of the dot-com era: Netscape's stock price doubled on the day of its initial public offering

The company behind the browser that revolutionized search went public on August 9, 1995. Just before the IPO, the company increased its initial opening price from $14 to $28. On the day the company went public, shares traded as high as $71 before closing at $58.25. The company's market capitalization exceeded $2B. The eye-popping IPO is largely considered the beginning of the dot-com bubble.

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

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.

Mark Zuckerberg has nearly exclusive decision-making authority in Meta

Meta has a dual-class stock structure, meaning there are two types of stock that have different voting rights. Zuckerberg owns 90% of the company's Class B stock, which is allotted 10 votes per share, whereas Class A shareholders get one vote per share. He's also the CEO and the chairman of the board, meaning Zuckerberg has majority control over the company. (Some users may experience a paywall.)

View a list of companies owned by Google's parent company, Alphabet

These companies include Google subsidiaries like YouTube, the biggest online video sharing and streaming platform, Nest, which manufactures smart products like speakers and thermostats, and Waymo, the technology company developing self-driving cars.

One $100 investment in the Medallion Fund skyrockets over time

The Medallion Fund, the famously secretive quant fund that invests billions of dollars for the partners and employees of a single firm with a legendary track record, has trounced the market for more than three decades. While its results are an extreme outlier, this visualization showcases the power of compound interest.

Cathie Wood is one of the most famous modern figures in ETF investing

Cathie Wood is the fund manager and stock picker behind Ark Invest and its flagship Ark Innovation ETF. Her strategy centers around disruptive technology, and she’s made bold bets on cryptocurrency and companies like Tesla, Robinhood, and Nvidia. Wood has a loyal following of retail investors who watch her daily trades religiously.

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.

Amazon's largest profit engine is the cloud-computing platform Amazon Web Services

Also known as AWS, Amazon Web Services is a suite of IT resources such as storage, databases, and more. While Amazon owns AWS, lots of other tech companies—including Slack and Pinterest—use it to help run their IT operations. In 2023, AWS brought in $25B in profit—outpacing Amazon's entire North American retail division.

The Seven Sisters were a dominant midcentury Western oil consortium

Amid the fallout of World War II, Western multinational corporations expanded their control of the production of oil across the oil-rich Middle East, earning the pejorative nickname of the Seven Sisters. In the 1970s, the group’s role diminished as nationalist movements pursued sovereign control of the oil.

SpaceX's S-1 or 'prospectus' revealed many previously unknown details about the company, including its unprofitability despite doing $18.7B in revenue in 2025, exactly how many voting shares Elon Musk will have in the company (roughly 85%), and more.

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

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.

In 2025, four executives from large tech companies were given positions in the US Army Reserves—including Palantir Chief Technology Officer Shyam Sankar, which reinforced Palantir's ties with the US military and its role as a leading defense partner.

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

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.

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

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.

As of 2025, the most cited papers in science include a review of graphene, methods to improve image recognition, streamlining electron density calculations, and optimizing protein studies.

In 2019, a laptop loaded with six of the worst malware in history and described as 'an exhibit of historical weaponry' sold for $1.3M.

Calculate how much of your tax dollars go to each federal program based on your income, filing status, and number of children

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

Massive blooms of microscopic plankton called dinoflagellates produce the neon blue light seen in glowing tides.

Electrical grids worldwide must double their power delivery capacity by 2050 to meet surging demand from AI and electric vehicles.

In 2026, Finland was named the world's happiest country for the ninth consecutive year based on its wealth, social safety network, and high life expectancy, among other factors.

US housing costs have risen by roughly 175% between 1991 and 2026—but a growing number of Gen Zers are becoming homeowners anyway. In 2025, 4% of homebuyers were Gen Z, up from 3% the year before.

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.

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

See these 16 pieces of art evoking phobias of snakes, flying, spiders, and more. 

Alzheimer's can lead to brain shrinkage, with an average of around 2% of volume reduction per year

The most expensive ad of all time was for Chanel No. 5 perfume and cost roughly $33M to produce in 2004—about $57M in today's dollars.

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

See a 3D reconstruction of Tenochtitlan, the Aztec capital that was home to an estimated population of 200,000 to 400,000.