London Mayor Johnson Hurts Pound by Backing ‘Brexit’: Chart

Sterling Falls After London's Mayor Backs Brexit

London Mayor Boris Johnson’s words are having an impact. The pound tumbled on Monday after the charismatic politician said he’ll back the U.K.’s exit from the European Union. A measure of trader’s expectations for price swings in the pound against the dollar during the next six months climbed to the highest since December 2011.

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