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

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

These seven companies are Alphabet, Amazon, Apple, Meta, Microsoft, Nvidia, and Tesla. They're often responsible for over 40% of the Nasdaq 100 index's gains, but the exact percentage varies from year to year.

The top 100 companies in Silicon Valley

Silicon Valley has pumped out some of the biggest companies in the world, including Apple, Meta, and Google. Thousands of companies operate in the area, ranging from valuations in the trillions to startups only worth thousands.

Walmart was the first traditional retailer to crack the $1T club

In early 2026, the company joined major tech companies Nvidia, Apple, and Meta (among others) as one of the rare firms with a market capitalization beyond $1T. See the latest top companies here.

The world's 50 most valuable private companies

While public companies typically have the highest valuations, private companies get close. This list breaks down the top 50 as of 2025, with SpaceX at the top with a value of $350B, followed by ByteDance. Over three-fifths of the list are located in the US, with eight in China.

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%.

In late 2025, the top 10 companies in the S&P 500 made up more than 40% of the index's total value

This raised concerns for investors about the index's risk exposure. As many large tech companies continued posting record highs, analysts argued that the top-heavy index was becoming less representative of the economy as a whole.

See the world's top 20 billionaires in 2026

This data visualization shows the 20 wealthiest people in the world as of January 2026. Topping the list with a net worth of more than $713B is Elon Musk, trailed by Larry Page ($258B), Jeff Bezos ($251B), and Larry Ellison ($243B).

By 2024, Nvidia had become one of the world’s most valuable companies

Nvidia started as a graphics chip designer for PCs and consoles. This explainer traces its rise from early GPU innovation to powering AI breakthroughs and fueling the data centers behind today’s biggest tech platforms.

In 2023, venture capital firms invested $170B in over 15,000 US companies

That's a significant drop from 2022’s $242B, reflecting market uncertainty but continuing VC’s role in scaling transformative ideas. Rooted in early risk-sharing models, venture capital took off with firms like ARDC in 1946, later evolving into today’s influential players like Sequoia Capital and Andreessen Horowitz.

More than 650 companies went public in the US in 1996

As the dot-com bubble reached its peak, most dot-com companies went public with little proof of being profitable and were often overvalued. In 1999, the Nasdaq's price-to-earnings ratio (a tool used to determine a stock's value that divides its price by earnings) hit 90.2, signaling that many companies were operating at a net loss. Startups promised investors that more time and money would help scale their businesses and become profitable.

In 2025, American tech companies will spend $300B to $400B on AI

That is, in nominal dollars, more than any group of companies has ever spent to do anything. Notably, these companies are not remotely close to earning $400B on artificial intelligence.

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.

An up-to-date, complete ranking of coins by market cap and their current value

As of this writing, the top three cryptocurrencies ranked by market cap are Bitcoin, Ethereum, and XRP, in that order. Dogecoin, the first-ever "memecoin," was created as a joke in 2013, and it's now the ninth-most valuable form of cryptocurrency in the world.

Mapping the world's 25 largest stock exchanges

Totaling a market capitalization of $106T (as of 2023), this map identifies the major stock exchanges worldwide on a map, ranking them by total market value. Nearly half of that value is located in the Americas.

Explore America’s top companies by revenue in 1994 versus 2023

America’s top companies by revenue have changed a lot in the past few decades. Sears, for instance, isn’t on the 2023 list, while Amazon isn’t in the 1994 edition.

The next technology epoch is here

From ChatGPT to DALL-E, 2022 saw the mainstream emergence of artificial intelligence for consumer use. Here's how these platforms will disrupt today's five biggest tech companies—Apple, Amazon, Meta, Google, and Microsoft.

Many startups in a variety of industries try to reframe themselves as 'tech companies'

Tech is still the dominant industry for startups—in part due to its low barriers to entry, high growth potential, investor preferences, and the proliferation of tech into a wide variety of industries. Sweetgreen, the fast-casual salad chain, for instance, has often referred to itself as a tech company.

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.

The 25 biggest IPOs in US history

These 25 companies—which include UPS, Uber Technologies, AT&T, and The Kraft Heinz Co.—had some of the biggest IPO drops in US history. However, not all these drops led to long-term (or even immediate) success.

How TSMC, the world's biggest chip manufacturer, makes money

Taiwan Semiconductor Manufacturing Company has more than 500 clients across the world, but none are bigger or more consequential to its business than Apple. The iPhone maker accounts for 25% of TSMC's total revenue. TSMC controls more than 60% of the global market share in semiconductor manufacturing. Dive into the economics and outlook of this important company here.

See a visualization of the most popular e-commerce companies in America

Amazon’s app sees more users than the next four most popular e-commerce apps (like Temu, Walmart, and others) combined.

In 2006, Macy's was worth $20B—but as of 2024, its market cap was just under $5B

Macy's went from roughly 800 to 500 stores within the same time period. Macy’s has spent the recent years since the pandemic closing swaths of stores.

Steve Jobs changed the world with Apple and Pixar

The devices Jobs introduced during his time at Apple, including the iPad and iPhone, were imitated by competitors, ultimately helping to create the numerous options consumers have today. In addition to leading Apple, Jobs also helped turn Pixar and the software startup NeXT into success stories.

The top three US dating apps by market share are Tinder, Bumble, and Hinge

While Tinder took up about 25% of US dating app market share as of 2024, Bumble wasn't far behind at 24%. Up-and-comer Hinge sat in third place with 18% of US market share.

Elon Musk joined Tesla in 2004, investing $30M and becoming chair

The company went public in 2010, raising $226 million in its IPO just two years after beginning production on its first car. Tesla's first Supercharger stations were launched in 2012 with six locations in California.

If you'd invested $1K in Apple stock in 2005, you'd have roughly $130K as of 2025

Over the past 20 years, Apple stock generated an annualized total return of about 27.6%. Learn more about how those numbers came to be in this article.

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

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.

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.

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.

Venture capital is a form of funding provided to early-stage companies with high growth potential, typically in exchange for an equity (or ownership) stake

Roughly 43 million US borrowers owe roughly $1.7T in student debt, the second-largest source of consumer debt behind mortgages.

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

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.

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.

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

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.

About 2,000 US babies are born annually without some portion of their limbs, potentially leading to a lifetime of pricey prosthetics.

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.

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.

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.

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

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

View the ten deadliest tornadoes in US history.

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.

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.

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.

See the most iconic photos from four decades of LIFE magazine

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

According to the physics of black holes, our 4D reality may be a hologram—a projection of information coded on a 2D surface on the edge of the universe.