https://phys.org/news/2018-07-bad-week-social-media-worse.html

Twitter, like other social media platforms, says it's putting its platform over user growth. That leaves investors seemingly unable to value what the biggest companies in the sector, which rely on their potential user reach, are worth.

Twitter had 335 million monthly users in the quarter, below the 339 million Wall Street was expecting, and down slightly from 336 million in the first quarter. That overshadowed a strong monthly user growth of 3 percent.