Cannabinoid approval supports GW’s strategy Laurie Don With GPs now able to prescribe two cannabis-based medicines from GW Pharmaceuticals, Laurie Don runs the rule over this long-term holding in the Liontrust SF Funds. Read more Alzheimer's: new research provides big opportunities Laurie Don Laurie Don, Investment Manager at ATI, discusses the potential investment opportunities in companies trialling new treatments for Alzheimer’s disease. Read more