Full interview with DoorDash CEO Tony Xu on Q4 results, outlook and more

Shares of DoorDash slid nearly 10% during premarket trading on Friday after the company issued its first quarterly update as a publicly traded company. The food delivery service generated $970 million in revenue, which was ahead of the Street consensus estimate for $938 million, according to a Refinitiv survey of analysts. DoorDash CEO Tony Xu joined "Squawk Box" on Friday to discuss.