Facebook CEO, Mark Zuckerberg’s personal wealth has fallen by more than $6 billion, within few hours as Facebook went down for many hours. This down-time had a massive hit on Facebook stock, plummeting 4.9% on Monday, this is a massive 15% drop since mid-September.

The stock dip pushed Mark Zuckerberg’s worth to about $121.6 billion, sending him below Bill Gates to number 5 on Bloomberg Billionaires Index. His net worth slid from almost $140 billion in a matter of weeks, reflects the index.

Facebook and Facebook-owned companies experienced a huge outage, unavailability of their services for over 5 hours all over the world. People turned up to Twitter to express their frustration and voiced their opinion about a number of problems Facebook has gone through recently.

Facebook has bashed out and blamed “faulty configuration change” for nearly a six-hour outage. Almost 3.5 billion users were deprived of using Facebook services.

The Facebook outage is the largest ever outage (downtime) reported by the website Downdetector.