Zuckerberg is now $6B Billion Richer Than He Was a Day Ago

31 year old Mark Zuckerberg’s net worth climbed to $47.6 billion a day ago as of 4PM ET, when Facebook stock closed at $109.11 a share. That makes him the sixth-richest person in the world behind Mexican telecommunications tycoon Carlos Slim Helu (who’s worth $49.5 billion, according to Forbes). Facebook shares have now climbed more than 43 percent in the last year. Its market value now sits at nearly $310 billion. Facebook reported $5.8 billion in revenue in the fourth quarter of 2015. Its share prices have spiked more than 43% in the past year.