Polling 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 campaigns could risk the integrity of financial markets. It follows a Bloomberg report earlier this year into private polling data sold by companies such as YouGov, Survation and ICM in the run-up to the 2016 Brexit ... (full story)