Twitter sinks after saying its monthly user base continued to decline (TWTR)

Twitter beat on both the top and bottom lines.
The social-media company reported a drop in fourth-quarter monthly active users, marking three consecutive quarters of user decline.
Shares fell more than 9%.
Its social-media peer Snap, which also suffered a declining number of daily users in the second and third quarter, said on Tuesday that its daily user base has stabilized in the fourth quarter.  
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Twitter was down more than 9% to $31.08 a share early Thursday