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Twitter earnings climb as monthly user base falls

Twitter's future in sports media

Twitter on Thursday posted earnings of $255 million, or 33 cents per share, in the October-December quarter. That's up from $91 million, or 12 cents per share, a year earlier. Revenue grew 24 percent to $909 million.

Analysts polled by FactSet were expecting earnings of 25 cents per share and revenue of $867 million.

Its monthly user base fell to 321 million, from 326 million. Twitter attributed the decline to sending fewer email notifications, moving away from its SMS service with phone carriers and working to cut down malicious accounts.

The company recorded an increase in daily users who log in to Twitter on a mobile device vs. those who use only desktop computers. Suspicious accounts, such as those run by bots to send spam or game the service in some other day are much more prevalent on desktop computers than on mobile.

Expenses increased 13 percent to $704 million as Twitter added more employees and from revenue share costs related to its video offerings.

Twitter's stock fell 7.5 percent, or $2.40, to $31.64 in premarket trading on Thursday morning.

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