The arrest of Meng Wanzhou, Huawei's chief financial officer, followed months of mounting scrutiny of the world's biggest telecoms equipment maker. The FT's Nic Fildes explains how Huawei grew to be such a big player, and why western intelligence officials are warning against working with the Chinese company on the next generation of mobile technology.   Hosted on Acast. See acast.com/privacy for more information.

Oil prices plunged below $63 a barrel on Tuesday after weeks of steady declines. The FT's Anjli Raval explains what is behind the souring mood among investors. Hosted on Acast. See acast.com/privacy for more information.