The collapse is a direct result of the news that Facebook lost three million users in Europe alone thanks to the revelation around Cambridge Analytica's far-reaching gaze over user profiles.
Zuckerberg's status as one of the wealthiest men on the planet is dropping, and so is his company's worth.
Facebook has recorded the biggest fall in corporate history as its value plunged by $120bn, when markets opened in NY.
During the call, Facebook Chief Executive Mark Zuckerberg tried to recast the disappointing earnings.
Shares traded 19% lower on Thursday, wiping out $US120 billion ($AU162.6 billion) in market value. It reported revenue of $13.2 billion for the quarter, missing Wall Street estimates and rattling investors.
"Given this more cautious outlook, we are lowering our estimates and reducing our price target to $205 from $225", Monness Crespi Hardt Analyst Brian White announced Thursday in an investor note, according to Fox News.
At one point, the company's stock was down almost 24%, and its valuation had fallen by a whopping $148 billion. "As such, we would be aggressive buyers of the stock on weakness this morning".
Business Insider Joe Ciolli Andy Kiersz data from Bloomberg
He said: "Our total revenue-growth rates will continue to decelerate in the second half of 2018, and we expect our revenue growth rates to decline by high-single-digit percentages from prior quarters sequentially in both Q3 and Q4".
Its shares jumped to a new record after it reported that its quarterly profit soared past US$2b, trumping analysts' expectations, as its online shopping, cloud computing and advertising businesses continued to grow.
Facebook shares fell another 0.8 percent on Friday, closing at $174.89 on the Nasdaq.
When people sign up with Facebook, they usually make a huge amount of data available to the group. The number of active users globally was also up.
The problem: weaker-than-expected revenue growth, Facebook's first such miss since 2015.
Looking at some of history's other notable one-day share slams, Intel lost about $US91 billion on one September day in 2000 in the depths of the tech bust.
Before today's massive loss, Facebook's largest single-day drop came in July 2012 when it shed 11 percent.
The new laws were only in effect for one month of the quarter, which means the company may feel more of an impact in the current quarter.
Cohen secretly recorded conversation with CNN anchor The Enquirer had already purchased McDougal's account of her affair with Trump earlier in 2016 and then never published it. Trump and Cohen appear to be discussing a second payment to McDougal (and there is no indication that it was ever made).
Russia's Vladimir Putin has invited US President Donald Trump to Moscow for a face-to-face meeting, he has said. The ultra-competitive White House press corps is displaying something rare and refreshing: Solidarity.
There are parts of this law that certainly are discriminatory, particularly its relegating Arab-Israeli's to a lesser status. While much of the law merely cements day-to-day practices of life in Israel, it also breaks new and controversial ground.
The president didn't identify the exact site, sparking speculations that North Korea may not be transparent about its activities. Kim's commitment", Pompeo said at a news briefing following meetings with his Australian counterpart.
However, depending upon how briny it is, water can potentially remain liquid down to -70 degrees Celsius (-94 degrees Fahrenheit). The liquid water is locked beneath almost a mile of ice. "Water tends to collect in lower topography", Orosei said.
Catching a foul ball at a Major League Baseball game is something many fans dream of but very few get to experience. The kid got another baseball - signed by Javier Baez to boot. "He had already helped that kid get a ball".
The BBC noted this animal's curiously "small size and pointy ears" as well as the "black smudges on its face". Extranews.tv spoke to another vet who also questioned the legitimacy of the alleged zebra.
Manchester City were crowned English champions, last season, after a scintillating term under Pep Guardiola's tutelage. The target is win the next game . "Always at the beginning of the season the expectation of every team is high".
The SEC reportedly followed Exchange Act Section 6 (b)(5) when they were taking the decision of whether to accept it or not. Regulators even launched an investigation in May to check whether bitcoin price movement was manipulated or not.
Trump also continued to tweet Sunday about the document's release, quoting Fox News' Pete Hegseth and Andrew McCarthy. Ted Cruz, then the Clinton campaign, and was therefore partisan and to be dismissed.
Further, the NTSB said if those vehicles weren't retrofitted and still had canopies, passengers shouldn't wear life jackets. Clifford added the history of deadly accidents involving duck boats shows these vessels need to be better regulated.
I want to leave United, says Darmian
Away from their hunt for a new centre-back, the club are also said to be keen on resurrecting a move for Ivan Perisic. United boss Jose Mourinho said this week that Italy global Darmian can leave Old Trafford "but not at any price".
Finally, Priyanka Chopra engaged to Singer Nick Jonas
The pair attended the Met Gala together in 2017, and are said to have stayed in touch after becoming close past year . It seemed like the entire universe went wild over the news of apparent Priyanka and Nick's engagement on July 27.
South Africa President Cyril Ramaphosa welcomes PM Modi
He revealed that the inward quantum investment to South Africa by Brics countries between 2003 and 2017 was a mere $18-billion. PM Modi arrives in Johannesburg on Wednesday for a three-day BRICS meeting to discuss USA trade war.