After opening at $40.25, the stock stumbled, slipping about 20%. But it regained much of its loss to close at $40. "I guess it was a rough awakening to life as a public company for a few hours, but we are optimistic," Chief Financial Officer Pat Dillon said. Top news and in-depth analysis on the world of logistics, from supply chain to transport and technology. Chief Executive Cheng Lu said the company is planning to conduct a "driver-out" pilot program without anyone at the wheel in the fourth quarter on a roughly 100-mile run between Tucson and Phoenix. The company has a fleet of 50 trucks it is testing in the U.S. Southwest and approximately 20 more in China, running with two people in the cab.