David Miller is an Executive Director at Quilter Cheviot, where he manages over £1.1 bn pounds in client funds. He has been in the investing business for over 40 years and is the author of the 7 year old “Diary of a Fund Manager” weekly diary, which has a readership of over 15,000 across 57 countries.

A legendary sage in the London investment scene shares how writing is daily diary is like going to the mental gym, and how we all should resist too much certainty and predictive force in our economic outlooks.