Brexit vote sparks uncertainty in Bordeaux

In the early hours of June 24, the mobile phones of executives at BI began buzzing with e-mail alerts. BI is a London-based wine merchant, known until recently as Bordeaux Index, and the messages signalled heavy trading on their Internet platform. “The [Brexit] referendum results had come in and the guys in Hong Kong were trading, bang, bang, bang, £100,000, £100,000.”