A street car moves past Twitter Inc. headquarters in San Francisco, California, U.S., on Wednesday, Oct. 21, 2015. Twitter Inc. is expected to release earnings figures on October 27. Photographer: David Paul Morris/Bloomberg via Getty Images
A street car moves past Twitter Inc. headquarters in San Francisco, California, U.S., on Wednesday, Oct. 21, 2015. Twitter Inc. is expected to release earnings figures on October 27. Photographer: David Paul Morris/Bloomberg via Getty Images