Twilio forecasts quarterly revenue below estimates on weak enterprise spending

FILE PHOTO: A banner for communications software provider Twilio Inc., hangs on the facade of the New York Stock Exchange (NYSE) to celebrate the company's IPO in New York City, U.S., June 23, 2016. REUTERS/Brendan McDermid/File photo

(Reuters) - Twilio forecast second-quarter revenue below Wall Street estimates on Tuesday, expecting a slowdown in demand as customers cut back on discretionary spending amid economic uncertainty.

Shares of the San Francisco-based cloud communications company fell more than 6% in aftermarket trading.