Tesla short sellers benefited from the company's poor performance in 2025

Explore a timeline of Tesla through 2025

Initially called Tesla Motors, the company was renamed Tesla Inc. in February 2017. Its Model Y became the world's bestselling EV worldwide by the end of 2023, overtaking the Model 3's title from 2020.

Shorting is a high-risk and expensive investment strategy that hedge funds specialize in

Most investors buy stocks with the expectation that those stocks will be worth more tomorrow than they are today. Short selling, known as “shorting,” a stock is the opposite: The investor is betting the stock will drop in value.

Porsche briefly made Volkswagen the most valuable company in the world in 2008

In the wake of the 2008 global financial crisis, hedge funds began placing short positions on German automaker Volkswagen. Around the same time, Porsche began acquiring a majority stake in Volkswagen, which decreased the amount of available shares, or the "stock float." Porsche then announced that it owned more than 74% of the company, prompting short sellers to realize they had placed more short positions than were logistically possible given that less than 6% of the company's shares were available to trade. In what is largely recognized as the biggest short squeeze in history, Porsche made $10B, and hedge funds lost more than $30B.

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.

Tesla open-sourced all its patents to speed up industry adoption of electric vehicles

The company employed a disruptive strategy to transform the transportation market, but early struggles, including leadership shifts and near bankruptcy in 2008, threatened its efforts to bring electric vehicles to the mainstream.

How a Reddit thread drove GameStop's stock price up and gutted the pockets of short sellers

In 2021, many hedge funds felt like GameStop was overvalued and began placing short positions. However, users in the "r/WallStreetBets" subreddit felt like the hedge funds were too aggressive in their short positions and rallied together to purchase large amounts of GameStop stock, pushing the stock price up. As the stock price rose, hedge funds began buying back their shares to cover their short positions, which also began pushing the stock price up in what's called a "short squeeze."

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.

How one supplement company cost a short seller $1B

Pershing Square, a hedge fund founded and run by Bill Ackman, put short positions on Herbalife in 2012, because it believed the company was a pyramid scheme. Ackman's longtime rival and legendary investor Carl Icahn began buying Herbalife shares, causing the stock price to rise—ultimately hurting Pershing Square's short position.

Elon Musk reshaped Twitter into X with bold moves and polarizing decisions

What began in early 2022 as Musk quietly buying Twitter shares soon escalated into a $44 billion hostile bid to take the company private. When Musk officially took over Twitter, he walked into headquarters carrying a literal kitchen sink, captioning the moment, "Let that sink in."

Hear why one short seller thinks short selling is now more important than ever

Carson Block runs an investment research firm and hedge fund, Muddy Waters Research and Muddy Waters Capital. Block is known for being an activist investor focused on identifying fundamental business problems that might cause a stock to be overvalued. Block says a decrease in investigative financial journalism, deregulation, and less oversight of businesses overall have increased the scope and scale of fraud, making short sellers that suss out overvalued stocks incredibly important.

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.

2023's worst performing US IPOs

While an IPO is a huge milestone, it isn't always a total success in the long-term. This data visualization shows some of the worst-performing IPOs of 2023, based on their percentage returns at the end of the year, It includes an NFT gaming company and a Chinese EV battery company.

Tesla's lack of business savvy and inability to commercialize led to his obscurity

For decades, despite pioneering technologies for large-scale electrical systems and telecommunications, Nikola Tesla had been forgotten to history. Rather than monetizing his work and becoming more well known, his inventor-first mentality saw him sell off lucrative patents to fund new experiments in the short term.

The 2024 US presidential election was a breakthrough moment for prediction markets

Founded in 2018 by MIT graduates, Kalshi won a federal appeals court ruling in October 2024 that allowed it to offer election contracts in the US. When prediction markets predicted President Donald Trump's win (more accurately than most polls), prediction markets were thrust into the public eye.

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.

FTX, one of the world's largest crypto exchanges, collapsed in 2022

As crypto markets declined during the post-pandemic slowdown, Sam Bankman-Fried propped up the markets with billions he'd earned leading FTX, one of the largest crypto exchanges. Then, in one of the most rapid financial implosions in modern history, the exchange collapsed as investors rushed to withdraw money.

Elon Musk's $100M investment in SpaceX was lost to three failed rocket launches

The attempts with Falcon 1 endangered the company's future but provided valuable information from which to iterate and follow up with the successful first privately funded orbital launch in history and multiple ISS resupply missions.

Hear what Michael Burry thinks about the possibility of an AI bubble

Since his success shorting subprime mortgage-backed securities in 2008, Burry's positions have often become influential, sparking conversations on platforms like X. In 2025, Burry drew attention for betting against Nvidia and Palantir for being overvalued companies.

Short-term capital gains are gains on sales made in less than a year

In 2024, a single filer making anywhere between $200,001 and $243,725 per year would pay a 15% tax on long-term capital gains. But when it comes to short-term capital gains, they’d be taxed at the same rate as their regular income, which, in their case, is 32%.

A private equity firm led the leveraged buyout of Toys 'R' Us before the company's bankruptcy

After being acquired by two private equity firms and a real estate company for more than $6B in 2005, Toys 'R' Us filed for bankruptcy in 2017. Many point to the $400M a year the company had to pay to service its debt, as well as increased competition from online retailers like Amazon, for draining its profits and ultimately dragging it under.

Borrowers were increasingly defaulting on private credit loans as of early 2026

Risks in private credit investing include the industry's lack of transparency and the ability of businesses to borrow more than a bank might allow against their debt. Some borrowers in early 2026, for instance, likely did not expect interest rates to be so high for so long, which could be contributing to an uptick in defaults.

What Trump's second 75-day extension means for TikTok sale

After President Trump took office in January 2025, he offered TikTok the opportunity to find a US company to buy the app within 75 days. In the meantime, the app continued operating. In April, Trump extended that deadline by an additional 75 days. This BBC article breaks down what that means for the company's potential buyers and for its users.

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.

Whitney Wolfe Herd's return as CEO boosted Bumble's declining stock price

While the uptick didn't last, when Bumble announced Founder Wolfe Herd's return in 2025, shares rose in premarket trading and later that day. Investors likely hoped that her strategy could restabilize the business.

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.

Spotify took 18 years to reach profitability; 70% of revenue goes to rights-holders

The music streaming company lost revenue for years as it sought to grow, but once it went public, investors pushed the company to expand into podcasts, cut costs, and prefer passive mood listening via algorithmic curation to increase value. Users have mixed feelings about using it.

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%.

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.

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

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

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.

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.

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

11 people died from firework injuries in the US in 2024.

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.

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.

In 1945, Surrealist artist Salvador Dalí and legendary animator Walt Disney began collaborating on a short film that was not completed until 2003, years after both men had died.

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

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.

Indefinite cloning of some endangered species may not sustain their longevity because cloning success rates decrease as genetic mutations accumulate.

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

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.

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.

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.

Sony set the standard for cylinder-shaped batteries when it repurposed manufacturing equipment used to make rolls of magnetic recording tape.

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

See a ranking of the best (and worst) Federal Reserve Chairs since 1914 out of the 16 men and women who have held the office since.

The tragic Pulitzer Prize-winning image 'The Vulture and the Little Girl' (1993) generated controversy, raised concerns about ethics in photography, and eventually led to the photographer's death.