Presidents, judges, MPs and the PM: Brexit cast fuels volatility

Sentiment toward the UK currency may be improving, but more plot twists are imminent

The cast of characters contributing to sterling’s dizzying volatility keeps on getting bigger, leaving investors hooked on every episode of the Brexit drama.

This week was no exception: As most City workers were already headed for home on Thursday, a report suggesting European Commission President Jean-Claude Juncker had talked up the chances of a Brexit deal sent the pound to a two-month high against the dollar.

Then it was the turn of Simon Coveney, Ireland’s foreign minster, to take centre stage. He voiced doubts the next day that an accord was close, taking the edge off the rally, and casting a shadow