Hedge funds' purchase of Brexit vote polling data under scrutiny

Treasury committee chair questions use of private polling to profit on pound’s fallPolling companies are facing parliamentary scrutiny over the sale of private polls to hedge funds during the Brexit referendum, which were used to place huge bets on the pound.Nicky Morgan, a Conservative MP and chair of the powerful Treasury select committee, has written to British Polling Council president, Sir John Curtice, warning that the use of private polling data during election and referendum campai