Coinspeaker Facebook (FB) Stock Up 9% in Pre-market after Reporting ‘Stability’ in Ad RevenueOn April 29, when Facebook released its Q1 earnings, its shares rose by 6.17% to close at $194.19. In the pre-market today, FB stock has added 9.38% and is making up $212.40 per share at the moment of writing.Facebook (FB) Stock Up 9% in Pre-market after Reporting ‘Stability’ in Ad Revenue