Forget euro zone breakup, sterling now deemed riskier

By Patrick GrahamLONDON (Reuters) - For years the options market that companies and investors use to hedge against big swings in currencies viewed the euro as a bigger political and structural risk than Britain's pound.In the political and market turmoil immediately before and following Britain's decision last June to leave the European Union, financial market investors flipped their long-held bias against the euro and now expect sterling to be the riskier party for years to come.On a handful of