Sterling and euro firm ahead of Brexit vote

London

STERLING and the euro edged higher on Wednesday, the last day of campaigning before Britain's referendum on European Union membership, the pound trading just off its highest this year after a swing in polls towards the "Remain" camp this week.

Most analysts still see the vote as too close to call and the mood remains shaky among financial investors worried that a British exit from the 28-country bloc could derail growth an…