Mark Zuckerberg has lost $9 billion since Facebook's IPO
Facebook's Mark Zuckerberg, who owns 503.6 million shares of the world’s largest social network, has lost about $9 billion since the company went public in May.
The 28-year-old co-founder has seen the value of his company fall by nearly half since its initial public offering at $38 per share.
On Thursday alone, his fortune fell by $423 million when the stock price reached a new low of $20.04.
