JP Morgan chief Dimon warns Hammond‎ over Brexit terms

One of Wall Street's top bankers has urged ‎Philip Hammond to ensure a long transition period for the UK's exit from the European Union amid warnings about "cliff-edge" disruption to financial markets. Sky News can reveal that Jamie Dimon, the chairman and chief executive of JP Morgan, met ‎the Chancellor in Downing Street on Thursday, months after warning that Brexit could force him to move up to 4,000 jobs out of the UK. The JP Morgan boss - who was reported by US media outlets to be u