"Waymo's Self-Driving Software Recall: Two Cars Hit Same Truck"

Alphabet's stock stumbled on Thursday morning, dropping as much as 3.8% due to reports of collisions involving its Waymo self-driving car unit. Troubling incidents in Phoenix, Arizona, led to a voluntary recall of the software that controls its self-driving cars. This comes amid a series of recent incidents involving Waymo vehicles, raising concerns about the readiness of self-driving technology. While some investors see potential growth in this area, the recent events have highlighted the challenges and risks associated with self-driving cars.