Can David Hockney prints make you a mint? As artist's death sparks revival of his work, here's what investors need to know

As one of the greatest modern artists David Hockney attracts huge attention among collectors - and his death last month at the age of 88 only increased his appeal. As one of the greatest modern artists David Hockney attracts huge attention among collectors - and his death last month at the age of 88 only increased his appeal.