Henry Varnum Poor published a guide to the railroad industry in 1860

A rush to invest in British rail in the 1840s led to investor ruin

During “Railway Mania,” speculative excitement pushed British rail shares to extreme valuations as investors chased rapid expansion. When costs ballooned and profits failed to materialize, the bubble collapsed in 1847—wiping out fortunes across the country.

The Michelin Guide was intended to increase demand for tires

The first Michelin Guide was released in 1900 to increase demand for Michelin's tires by encouraging recreational travel. The guides included road maps and recommendations for mechanics, hotels, and restaurants. Nearly 35,000 copies of the first guide were distributed—at a time when there were fewer than 3,000 cars in France.

See a timeline of S&P Global's history—the company behind the S&P 500

From the 1941 merger of Standard Statistics and Poor's Publishing to the creation of the S&P 500 in 1957, the company that created the famous index has long been a leader in financial intelligence.

Mass transit in America began with horse-drawn omnibuses in New York City in 1827

The omnibus, a large horse-drawn stagecoach that ran a fixed route and carried a dozen riders at an affordable fare, was different from a private carriage because it carried everyone, not just the wealthy.

Credit reporting started as a service for businesses rather than consumers

In the 1700s US economy, consumer credit reporting wasn't necessary. A loan to a farmer for agricultural supplies, for instance, would inevitably help them purchase both personal and business items.

Joseph Pulitzer mainstreamed 'yellow journalism'

One way Joseph Pulitzer revolutionized the newspaper industry by developing an approach to reporting that relied on sensationalism and could be a little loose with the facts. Pulitzer and rival William Randolph Hearst pushed that sensationalism to the next level in their competition to attract readers.

The bond market dates back to the 1100s in Venice

In the early 1800s, bonds were used to fund US railroads and canals in Great Britain. “Liberty Bonds” were sold during both World Wars in the 20th century. Learning about the early and modern history of bonds can offer a glimpse into how the modern bond market came to be.

The steps to the railroad industry's bargaining process

It often takes years for management and labor to come to terms for each five-year agreement. Learn how collective bargaining works for this highly-regulated industry.

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

How venture capital firms came to be

The venture capital firm that kickstarted an industry.

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

A prospectus typically contains information about the company's operations, including details about its management team and their compensation, financial statements, how it intends to use any capital raised by the IPO, and more. While these documents can be dense and lengthy, experts say that some of the most important sections of a prospectus for investors to look at include the risk factors section and the use of proceeds section.

Read about the history of the Sherman Antitrust Act, the first law to ban monopolistic behavior

In its later years, Standard Oil formed a business trust that reflected the company's exponential growth. Politicians wanted to prevent such trusts and used the Sherman Antitrust Act to force Standard Oil to break up.

Budweiser pioneered refrigerated rail transport for its beer in the 1870s

This enabled Budweiser to achieve national distribution long before competitors, fundamentally transforming the US beer industry. It was also among the earliest large-scale adopters to use pasteurization, allowing it to be shipped long distances without going bad.

The nonfiction book that kick-started Orwell's career

1935's "The Road to Wigan Pier" was a piece of investigative journalism that explored how the impoverished were handling the Great Depression, known in England as "the Slump." Orwell divided the book into two parts: One that described the living conditions of the working poor, and the other that criticized middle-class socialists' ineffectiveness at helping them.

Warren Buffett began investing at 11 years old

He then bought his first property at 14 years old. From studying under the “father of value investing” to revitalizing a textile company into the largest holding company in the world, Buffett’s career is one of great financial success.

A bankrupt flour merchant in debtor’s prison helped inspire the Erie Canal

In 1807, Jesse Hawley, jailed for debt after struggling with high transport costs, published essays under the pen name “Hercules.” His writings laid out the canal’s route and benefits, galvanizing support for the project.

See nine airplane models that transformed aviation

This visual guide jumps over the dawn of modern air travel and begins with the open-cockpit biplane flown by the first scheduled airline, the St. Petersburg-Tampa Airboat Line. (Some users may experience a paywall.)

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.

Browse the original 'Walden' manuscripts

Henry David Thoreau began writing the book about his time living at Walden Pond in 1846, but it went through seven iterations before being published in 1854. You can look through scans of early proofs, including some of Thoreau's handwritten corrections, through the Huntington Digital Library.

The history behind the country's first Black-owned bookstore

In 1834, the first Black-owned book store was opened in New York City by abolitionist David Ruggles. Ruggles founded an antislavery newspaper and was an organizer for what eventually became the Underground Railroad. His bookstore was dedicated to abolitionist literature but was also a meeting place and lending library for Black people, including those who had escaped slavery.

'Monopoly' was a progressive economic thought experiment before it was a board game

Before "Monopoly" became a best-selling board game, a woman named Lizzie Magie patented "The Landlord's Game" as a thought experiment to advance American economist Henry George's ideas about land ownership.

Read an early piece of journalism on country music

This 1904 Harper’s Weekly article from Emma Bell Miles offers an early example of country music criticism. Miles traces the music’s roots to the mountaineers who pioneered it. It’s a famous piece for music writers: Miles saw a phenomenon building in the hills long before any major record label.

Bill France Sr. founded NASCAR after organizing stock car races

Bill France Sr. was the first person to organize stock car racing in America. By the 1940s, the company he created had changed the sport forever.

The story of the first commercial US oil well and why crude oil is measured in barrels

The 1859 oil discovery in Titusville, Pennsylvania, sparked a boom in oil exploration and production to meet the demand for kerosene lamp fuel. Because the 42-gallon barrel was a readily available container already in use for shipping fish, butter, wine, and other goods, it was adopted by the Petroleum Producers Association in 1872 and by both the US Geological Survey and the US Bureau of Mines in 1882.

A primer on reading the rock layers of roadcuts

Road construction often requires cutting through layers of rocks, coincidentally exposing millions of years of rock formation. This simple guide introduces basic rock types, what causes curves and folds, and the major rock formations in regions around the US.

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.

How US horse breeders sourced animals from the Syrian desert

Alexander Keene Richards was a pioneer in thoroughbred racing in the US in the 1800s, a time when every town with a few thousand people had a horse track. This interview highlights how Richards went to great lengths to perfect horse breeding.

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

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

Sears sold DIY house kits starting at $600 in its famous catalog from 1908 through the 1940s, resulting in roughly 10,000 'Sears and Roebuck houses' being built.

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.

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

The 19th-century painters of the Hudson River School were among the first American romantics, with portraits that displayed the natural beauty of the young country.

Mark Twain spent decades feuding with the US Postal Service, convinced its costs and regulations were bureaucratic overreach.

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

Trace how the Bill of Rights, inspired by centuries of political theory, took shape between 1774 and 1789.

Before writing 'Walden,' transcendentalist Henry David Thoreau nearly burned down his hometown with a campfire that grew out of control.

The Brothers Grimm were lawyers before they were storytellers, and became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

A Yale student wrote a profound essay about the consulting industry's influence on elite college students that was published in a book of her writing after she died in a post-graduation car accident.

Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real

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 first horror movie is believed to be George Méliès' 1986 short 'The Haunted Castle,' which pioneered the use of special effects

In 1939, baseball star Lou Gehrig delivered his inspirational 'Luckiest Man' speech after retiring due to the health condition that now bears his name.

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.

Clever Hans was a 1900s horse that was believed to be able to solve math equations, tell time, and read and comprehend German, until a psychology student discovered how he got his answers.

Famed poet TS Eliot rejected the manuscript for George Orwell's political fable 'Animal Farm,' writing that its criticism of authoritarianism was not 'the right point of view.'

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.

Watch how algorithms can be designed to train themselves and self-improve without human input, to the point where the optimized code is too complex for programmers to understand.

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.