"The biggest risk is not taking any risk... In a world that changing really quickly, the only strategy that is guaranteed to fail is not taking risks." - Mark Zuckerberg
Facebook lost more than 150 billions USD in market value since July 2018. However, it looks like the market is overreacting on this stock and the company is at a great discount. Facebook is one of the rare companies without debts, without big competition and entering an emerging market. That's what makes it too big to fail.