Facebook's stock closed at a record on Friday, gaining nearly 5 percent as the company shook off the effects of a privacy scandal that engulfed it earlier this year.
The social network's shares soared to an all-time intraday high of $203.64 a share, before closing at a new record just below that price. That translated Facebook's market value to nearly $590 billion.
Facebook's move pushed CEO Mark Zuckerberg's net worth closer to the top of the list in rankings of the world's wealthiest, and he now sits in fourth place on the Bloomberg Billionaires Index, just behind Warren Buffett. Around market close, the tech executive briefly passed the Berkshire Hathaway billionaire. Bloomberg estimates the Zuckerberg is now worth $79.7 billion. He is ranked as the fifth wealthiest person in the world on Forbes' list, just behind LVMH CEO Bernard Arnault. Forbes estimates that Zuckerberg is worth about $77.1 billion.