| Date | Source | Title |
|---|---|---|
| 21 December 2017 | www.investorschronicle.co.uk | Investors Chronicle |
| 30 November 2017 | The Daily Telegraph (Business) | |
| 02 June 2017 | www.investorschronicle.co.uk | Investors Chronicle |
| 01 June 2017 | www.hl.co.uk | Hargreaves Lansdown |
| 01 June 2017 | www.telegraph.co.uk | The Daily Telegraph (Business) |
