Britain’s next government should scrap ‘unpatriotic’ stamp duty on shares to help revive the investment in home grown businesses, according to industry leaders.

The move is being promoted by the Investment Association (IA) and City investment chiefs whose members manage funds worth £8.8 trillion.

The IA’s chief executive, Chris Cummings, said it was the “obvious way” to usher in a new era of investing in British business, while boosting returns for ordinary investors and pension pots.

Mr…