U.K. Said to Face Derivatives-Law Setback After EU Summit

U.K. Said to Face Derivatives-Law Setback After EU Summit

Simon Dawson/Bloomberg

Traders react as they work on the floor of the London Metal Exchange. The U.K. leader refused to join the 26 other nations in backing a new treaty for the bloc after he failed to secure safeguards that would have stopped EU plans to police financial services in London, Europe’s trading hub.