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Follow our countdown to a company that said goodbye to a mind-boggling $119.4 billion in a single day.

And remember: This is why an investment service like Wealthsimple will tell you to spread your risk through index funds — not bet heavily on one stock. (Need to start investing? Wealthsimple will manage up to $10,000 free for one year for Moneywise readers.)

10. Wells Fargo

Washington DC, USA - March 4, 2017: Wells Fargo bank entrance with sign
Kristi Blokhin / Shutterstock

The day: Feb. 5, 2018

The loss: $28.9 billion

Wells Fargo took a beating on Wall Street the day the Federal Reserve put the banking giant on a tight leash.

Following a series of scandals at Wells Fargo, the Fed announced tough penalties including limits on the company's ability to grow.

The bank had admitted its employees created up to 3.5 million unauthorized accounts for customers. Also, Wells Fargo auto loan borrowers had been sold insurance they didn't need, and other customers paid inappropriate mortgage fees.

More: Investing When Inflation is High.

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9. Amazon

PARIS, FRANCE - JAN 28, 2016: Amazon logotype printed on cardboard box side seen from above
Hadrian / Shutterstock

The day: April 2, 2018

The loss: $36.5 billion

Amazon's stock had a blue Monday after President Donald Trump made the online retailer one of his prime targets on Twitter.

He had complained in weekend tweets that the U.S. Postal Service was losing money on Amazon deliveries.

Fact-checkers disputed that claim. Some observers speculated that Trump was picking on Amazon because he didn't like his coverage in The Washington Post, owned by Amazon CEO Jeff Bezos.

8. Bank of America

LOS ANGELES, CA/USA - AUGUST 30, 2014: Bank of America Center.
Ken Wolter / Shutterstock

The day: Oct. 7, 2008

The loss: $38.5 billion

Bank of America got hammered on the stock market when the company announced surprisingly awful financial results in the midst of the 2008 financial crisis.

The banking powerhouse reported that its quarterly profits were down a stunning 68% from a year earlier — much worse than Wall Street analysts were expecting.

BofA also broke it to investors that their dividends were being reduced by half.

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7. Alphabet

GDANSK, POLAND - JANUARY 14, 2016. Google.com homepage and cursor on the screen. Google is world's most popular search engine
Evan Lorne / Shutterstock

The day: Feb. 2, 2018

The loss: $41.1 billion

It was no red-letter day for investors in Google's parent company when Alphabet's earnings fell short of analysts' forecasts.

The disappointing numbers spelled a 5.3% drop in the company's stock price.

But Alphabet gets an "A" for a nice recovery. The stock rebounded quickly after that dark day, and in 2019 it has been gaining ground, though with some bumps in the road along the way.

6. General Electric

BEIJING, CHINA - MARCH 26, 2016: General Electic brand sign. General Electric (GE), is an American corporation founded in 1892 that serves Worldwide.
testing / Shutterstock

The day: April 11, 2008

The loss: $46.9 billion

General Electric gave Wall Street a shock, and its stock went dim.

The company's stock got punished after GE reported a 6% drop in profits, something investors and analysts didn't see coming.

The conglomerate had gotten caught up in the 2008 financial meltdown: Profits in its financial services business had taken a painful 20% hit. GE stock recovered nicely for about a decade, but it has been going steadily downhill since early 2017.

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5. Exxon Mobil

Indianapolis - Circa August 2016: Exxon Retail Gas Location. ExxonMobil is the World's Largest Oil and Gas Company II
Jonathan Weiss / Shutterstock

The day: Oct. 15, 2008

The loss: $52.5 billion

The fall of 2008 took a toll on all kinds of industries, not just banks and lenders. Energy giant Exxon Mobil hit a bad oil slick on Wall Street at a time when it was the world's largest company.

That happened on a rough day for stocks overall: The Dow Jones industrial average plunged 733 points, its second-biggest one-day point drop.

But oil stocks got squeezed by a dip in crude oil prices and worries that a recession would lead consumers to buy less gasoline.

4. Apple

STRASBOURG, FRANCE - APR 27, 2016: Latest iPhone 7 and iPhone 7 Plus in Apple Store with screensaver dedicated to Earth Day  - customers shopping testing in the background
Hadrian / Shutterstock

The day: Jan. 24, 2013

The loss: $59.6 billion

The iPhone was expected to be a huge holiday season hit in 2012, but sales weren't quite as big as expected.

That was the news from Apple in late January 2013 that caused the company's stock to crater.

Some analysts responded by predicting the beginning of the end of Apple's smartphone — but it's still around. The latest model is the iPhone 11, which has new camera features and a lower entry-level price.

3. Microsoft

REDMOND, WA - APRIL 15: The Microsoft headquarters campus in Redmond in Redmond, Washington on April 15, 2017.
Katherine Welles / Shutterstock

The day: April 3, 2000

The loss: $80.0 billion

Microsoft had its worst day ever when a federal judge ruled that the software company was being a bully and using its dominance with Windows to hurt competitors in the computer business.

The wipeout for Microsoft's stock cost co-founder and then-chairman Bill Gates $11 billion, at least on paper.

Microsoft has come a long way since those days. In late 2018, it surpassed Apple to become the world's most valuable company, and in 2019 Microsoft's value topped a staggering $1 trillion.

2. Intel

BANGKOK, THAILAND - MARCH 05, 2015: Early microprocessor on motherboard from Intel. Intel is one of the world's largest and highest valued semiconductor chip makers.
Nor Gal / Shutterstock

The day: Sept. 22, 2000

The loss: $90.7 billion

Wall Street rebooted computer chip maker Intel after the company got slimed by the bursting of the dot-com bubble.

Intel warned in September 2000 that it was seeing weaker demand for its chips in Europe, and that its overall sales were sluggish.

The stock took a 22% nosedive. Today, Intel is still a giant in the semiconductor business, though it's no longer on top. In 2017, Samsung took away Intel's title as the world's largest maker of computer chips.

1. Facebook

Bangkok, Thailand - August 24, 2017 : hand is pressing the Facebook screen on apple iphone6 ,Social media are using for information sharing and networking.
sitthiphong / Shutterstock

The day: July 26, 2018

The loss: $119.4 billion

Facebook tops this ranking for a day on Wall Street when it lost a ton of friends — and money.

The company's stock price crashed, costing CEO Mark Zuckerberg more than $15 billion.

This was after investors and analysts found a lot not to like in the social network's profit report for the second quarter of 2018. The results suggested to some that Facebook may have seen its best days, but over a year later the company is growing fast by many measures.


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Doug Whiteman Former Editor-in-Chief

Doug Whiteman was formerly the editor-in-chief of MoneyWise. He has been quoted by The Wall Street Journal, USA Today and CNBC.com and has been interviewed on Fox Business, CBS Radio and the syndicated TV show "First Business."


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