The social media giant posted its biggest quarterly loss in more than a decade Wednesday, after losing $1.3 billion in the quarter ended Sept. 30.
The company reported a $1 million net loss on sales of $937 million, a sharp drop from $1,828 million in the same period last year.
The quarterly loss is more than $5 billion in revenue, and Facebook expects revenue of $3.5 billion for the full year.
The social media titan reported its biggest year-over-year drop in revenue in the last five years, falling from $17.5 million in 2013 to $2.5 in 2016.
Facebook shares are down nearly 13 percent this year.
Investors have been watching Facebook closely as it tries to fend off a growing number of competitors.
Facebook has been working to create a mobile-first social network that uses artificial intelligence and machine learning to analyze data and then create content tailored to users.
The company said Wednesday that it has about 2 billion users on Facebook.