The shares have sprung back to life thanks to China’s new stimulus programs—and Alibaba’s AI ventures. They stand to gain as much as 48%.

Update 7:18 p.m.: In a weather-delay blog update, ULA officials highlighted the history of the Centaur upper stage. "Today's launch marks the 275th flight of Centaur. This venerable U.S. upper ...

ULA officials highlighted the history of the Centaur upper stage. "Today's launch marks the 275th flight of Centaur. This venerable U.S. upper stage is the high-energy, hydrogen-fueled rocket that ...