In just three months, the price of Facebook stock has gone from its initial offering of $38 to Friday's closing price of $19.07.
The psychological shock of seeing your stock shrink to half its value can be devastating.
"You have people, who, in their heads, think they're worth a lot more money initially than they end up worth, and that can be a very emotional thing for people. I can't imagine it isn't scary when you thought you had enough money to buy a house and all of a sudden you don't," said Shayndi Raice from the Wall Street Journal.
Some Wall Street investors want Zuckerberg to step aside as CEO. Zuckerberg himself has lost $9 billion in personal wealth since the IPO.
