Volvo was the carmaker of the autonomous vehicle involved in the accident. According to Yahoo Finance,  Volvo AB Class B stock was down 1. 84% today as of 3:30 Eastern time. 

Sgt. Ronald Elcock, a Tempe police spokesman, confirmed with USA TODAY Network that the car was in autonomous mode with a driver behind the wheel when it hit the pedestrian. There were no passengers in the car at the time.

Will self-driving vehicles relieve the road of human error? Or will self-driving vehicles become just another threat?  Many are starting to wonder.