The CFO of the world’s second largest cell phone maker is arrested, and Wall Street reacts

The stock market took a nosedive -- after Canadian officials arrested Huawei Chief Financial Officer Meng Wanzhou for extradition to the US. She’s also the daughter of Huawei’s founder, and is largely believed to be next in line to head the tech giant. It’s not completely clear why the US wants her, though speculation is that it’s linked to American sanctions on Iran. We look at what happened and how it fits in with the larger trade dispute between the U.S. and China.