Twitter reported a rise in revenue for the three months to September but the pace of growth in active users was the slowest [bbc.com] since it joined the stock market in 2013.
Twitter had 320 million average active monthly users, up from 316 million the previous quarter, below investor hopes.
The social networking site reported revenues of $569m, up 58% from $361m during the same period last year.
The company's shares fell 11% after the results announcement.
Revenues up, active users up, shares down.