https://www.cnbc.com/2018/07/26/heres-what-every-major-wall-street-analyst-had-to-say-about-facebook.html > Facebook shares tanked after the social media giant's report on daily active users fell short of expectations and the company warned revenue growth would slow the rest of the year. > As of Thursday morning, the Facebook's stock was set for its worst day ever, with shares down nearly 20 percent in premarket trading.