Britain's 'In' campaign leads by 4 percent points - JPMorgan poll analysis

The campaign to keep Britain in the European Union is 4 percentage points ahead of the "Out" campaign, though that lead has halved since February, JPMorgan said in an analysis of recent opinion polls. While polls, which failed to predict Prime Minister David Cameron's victory in Britain's 2015 national election, have cast the June 23 referendum as too close to call, betting odds have indicated a strong probability of a vote to remain. In an analysis of recent polling data, JPMorgan said the "In"