Newspapers and airwaves are always full of information about successful investing, but how do you cut through to what really matters? After nearly 40 years in the investment industry, I believe there are 10 things that all successful long-term investors invariably do.

Last quarter I wrote about unusually low investment market volatility in 2017, and the likelihood that 2018 would not pass so calmly. On cue, a wave of volatility hit at the beginning of February, caused by a tantrum in the US bond market, and has continued since. Clearly, this year will be defined by more frequent ups and downs, so investors should remain wary.

One of the most favoured sayings used by wise investors is: ‘Don’t put all your eggs in one basket’. It’s a reliable and prudent notion – and here are good reasons for it....