The Trump administration is expanding its search for partners to build the Golden Dome missile defense system, courting Amazon.com's Project Kuiper and big defense contractors as tensions with Elon Musk threaten SpaceX's dominance in the program,

Star founders, Beijing officials and deep-pocketed financiers converge on Shanghai by the thousands this weekend to attend China’s most important AI summit. At the top of the agenda: how to propel Beijing’s ambitions to leapfrog the US in artificial intelligence — and profit off that drive.