Twitter's stock price tumble continues

Twitter shares are down again.

The stock fell by up to 3.5% in trading on Friday.

On Thursday, after its weak first quarter earnings results leaked, the stock was halted and then fell by as much as 22% when trading resumed.

On Friday, shares sank lower, to as low as $37.40 a piece - a three-month low.

In the first quarter, Twitter earned $436 million in revenues, missing expectations for $456 million. Foreign exchange impacts took 6% from annual revenue growth.

Adjusted earnings came in at $0.07, better than the $0.04 that had been expected.

Twitter's second-quarter forecasts for revenues of $470-$485 million let down investors, who had been expecting $538.1 million.

This chart shows the slide since Tuesday.