Facebook shares slumped by 10% in after-hours trading to hit an all time low following the company’s first earnings report after going public.

The report flagged up a continued slow in revenue and flat profit, which saw shares in the social networking group decline to $23.84, compared to an issue price of $38 in Facebook’s IPO in May.

The company reported a Q2 loss of $157m, or eight cents a share, due to stock-based compensation expenses associated with the IPO. ...