Twitter misses expectation on revenue but adds millions more users

• Company reported revenue of $595m, missing expectations of $607.8m
• First quarter saw Twitter's number of active users rise to 310 million

Twitter stock fell more than 12% in after-hours trading after the company reported revenue of $595m on Tuesday, missing expectations. Twitter was expected to report $607.8m in revenue. Meanwhile, its earnings, which were expected to be 10 cents a share, exceeded expectations at 15 cents a share.

The real bright spot in Twitter's first quarter report was its user growth.