Walmart has historically been one of Amazon's largest competitors

Amazon accounts for roughly 40% of all US online retail sales—a much larger piece of the pie than its competitor Walmart

Although Walmart is roughly 30 years older than Amazon, the e-commerce giant has a significant lead in online US retail sales: Walmart's share is roughly 7%. Season 33 of the podcast "Business Wars," hosted by David Brown, is all about one of the most intense rivalries in all of retail.

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.

Amazon's success is attributable, in large part, to founder Jeff Bezos’ vision

Bezos parlayed a career on Wall Street into founding an online bookstore that would evolve into the largest online retailer in the world. Bezos’ story is characterized by his relentless focus on innovation and on the customer experience at Amazon.

Amazon expanded its business and diversified its offerings by acquiring companies

Amazon’s retail and cloud businesses have been key drivers of the company’s growth over the years, but they haven’t done all the work by themselves. Companies Amazon has acquired include the video doorbell maker Ring, the grocer Whole Foods, the streaming service Twitch, the shoe retailer Zappos, and the film studio MGM.

The Walton family behind Walmart is the world’s richest family with $432B

The world’s 10 richest families, including the families behind Hermès and Mars, control hundreds of billions of dollars worth of the world’s wealth.

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.

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.

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.

Listen to a podcast that traces the history of DOJ antitrust enforcement

This podcast series traces how the US government's approach to regulating big business has changed over a century—from the DOJ's breakup of John D. Rockefeller's Standard Oil monopoly, through lawyer Robert Bork's influence on how courts interpret competition law, to the FTC's modern antitrust lawsuit against Amazon.

Amazon has historically opposed efforts among its employees to unionize

Amazon has done everything from creating mandatory anti-union meetings to hiring union-busting consultants, and even engaging in employee surveillance. Such efforts have proven to be a lightning rod for pro-labor groups.

11,000 new US dollar stores opened between 2007 and 2017

Dollar store retailers experienced significant fiscal gains during the 2010s, which were then accelerated by the COVID-19 pandemic. But in recent years, dollar stores have been closing in large numbers and suffering financial hardship. Experts point to Walmart's strategy of decreasing prices to cater to inflation-fatigued customers, and point out that when Walmart does well financially, dollar stores typically suffer.

How Netflix battled Blockbuster

The most consequential business stories involve intense rivalries. The story of Netflix versus Blockbuster is one of those: an agile upstart versus an entrenched incumbent. This nine-part podcast explores the key strategies and pivotal moments in the rivalry that upended the entertainment business, setting the stage for the streaming wars.

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

Screaming, running, and chaos in retailers like Walmart are the norm on Black Friday

This Black Friday episode from Dax Shepard's Armchair Expert podcast features stories both from people who have worked behind the register on Black Friday and those who have stood in line at 4 am to score some deals. From police escorting violent shoppers competing over a discounted laptop computer out of the building, to a false-alarm emergency exit from a Dick's Sporting Goods, the episode is both harrowing and hilarious at times.

Sears failed to evolve in a changing economy

At its peak, Sears was the largest retailer in the world, making elite objects accessible to the middle class. But in 2018, the company officially filed for bankruptcy due to massive debt and losses.

Costco and Amazon have very similar pricing across everyday staples

This article compares the average prices of everyday staples at Amazon and Costco, like toilet paper ($1.12 at Costco, $1.14 on Amazon), to help consumers decide which discount retailer to purchase from.

The National Retail Federation coined the term ‘Cyber Monday’ in 2005

As online-only retailers like Amazon expanded in the early 2000s, they sought ways to capitalize on Black Friday’s uptick in sales—but they didn’t actually have physical retail stores. Enter: Cyber Monday, a day that now competes with Black Friday for the highest e-commerce sales day of the year.

SoftBank acquired a majority stake in WeWork in October 2019

SoftBank is widely considered the biggest victim in the WeWork story, losing billions of dollars that it invested in the company while WeWork’s CEO walked away a billionaire himself.

Disney’s IP problem, according to industry experts

Disney seems to be an unstoppable force in the entertainment industry, but after an unprecedented high point in 2019, the company began losing money. In this podcast, two industry veterans discuss what they see as Disney's existential problems: an overreliance on preexisting material and an inability to innovate as it once did.

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

A Wall Street Journal podcast examines allegations inside the WEF

In this episode of "The Journal," WSJ reporter Shalini Ramachandran investigates claims from current and former employees that the organization behind Davos fostered a toxic workplace, sparked by an anonymous whistleblower letter in 2025 and internal accounts.

Google Search incorporated AI Overviews in 2024 to fight back competitors

Analysts believe that generative AI tools—not antitrust rulings—are Google's biggest threat because they draw users away from traditional search and potential ad revenue. AI partnerships, like the one between Apple and OpenAI, may further reduce Google's market share.

Amazon rainforest facts, species, and threats

The World Wildlife Federation presents a brief overview of the Amazon rainforest, covering key facts like location, size, and importance. An overview of threats includes unsustainable resource extraction, climate change, and poorly planned construction projects.

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 most expensive Super Bowl ad cost $26M

Amazon’s 2022 “Mind Reader” ad with Scarlett Johansson and Colin Jost is the most expensive Super Bowl ad to date. The ad is a minute and a half long, which drastically drove up the price of the commercial.

BYD Auto is the largest EV maker in China, overtaking Tesla

As of 2023, the company has 40% of the electric vehicle market in China and produces more than 3 million EVs for customers worldwide. Its vertical integration, which includes building its own batteries and cargo ships, has allowed BYD to lower retail costs.

Airbus is a rare European industrial success story that overtook a rival American firm

After World War II, the US dominated aviation, particularly Boeing. To compete, Europe's major industrial nations pooled resources to form Airbus, a customer-centric airplane manufacturer. Its A320 family of planes became the most popular in airliner history, leading to profitability in the 1990s. Amid Boeing's major hurdles in recent years, Airbus remains the industry leader.

US consumers collectively owe more than $1T to credit card companies—almost as much as they owe in auto loans.

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.

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

The power and influence of the American presidency have expanded significantly over time—far beyond what the founders envisioned.

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.

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.

The rivalry between Alexander Hamilton and Thomas Jefferson centered on federalism—the question of how much power the federal government should hold relative to the states.

The Russia-Ukraine conflict is the largest ground war in Europe since World War II in terms of casualties, forces mobilized, and displacement of civilians.

Larger animals like giraffes, elephants, and blue whales have developed a unique defense against cancer, a phenomenon known as Peto's Paradox

In its famous catalog, Sears sold $600 DIY house kits from 1908 through the 1940s, resulting in an estimated 100,000 'Sears and Roebuck homes.'

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

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

Art theft is the third-largest source of criminal revenues worldwide, thanks in part to the subjective nature of valuing a work of art.

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

Domino's Pizza's 30-minute delivery guarantee was responsible for the chain's 1980s surge, but it was discontinued after the company was found liable for delivery driver accidents.

A small portion of The Winstons' 'Amen, Brother,' an obscure '60s gospel record, is the basis for thousands of hip-hop tracks, making it one of the most sampled records ever that's informally known as 'the Amen break.'

Children are now three times more likely to say they want to be a YouTuber when they grow up than an astronaut, with some even attending 'YouTube camps' that teach kids how to create content for the platform.

Walt Disney's early film 'Alice's Wonderland' was a groundbreaking innovation in the silent film era

After the Boston Tea Party, colonists switched to coffee, which became the main morning drink for revolutionaries.

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

44% of Americans say they pray at least once a day—discover how your state's religiosity stacks up against the rest of the country.

Some renewable energy sources may weaken the resiliency of electric grids by removing outage buffers provided by coal- and natural gas-fired plants, which provide the system with more time to find a new power source if a plant goes down.

A pickleball's loud 'pop' sound can reach 120 decibels, which is equivalent to a hammer hitting a nail