A “5G is Now” sign is displayed on a tray as food is served at a Huawei Technologies Co. event to unveil the “Balong 5000” chip for 5G devices in Beijing, China. (Photographer: Giulia Marchi/Bloomberg)

How Trump's Huawei Ban Threatens to Throttle Global 5G Rollout

(Bloomberg) -- Huawei Technologies Co. looked like it would survive a U.S. campaign to persuade its allies to block the supplier from their new mobile networks. Now, President Donald Trump’s move t...