Amazon

Stockmarket is more concentrated

Key to maintaining a balanced approach

Macro risks remain

Big sustainability challenges being tackled

Could 'fix a host of failings'

The old saying "markets like to climb a wall of worry" proved spot on in 2017, writes Russ Mould, investment director at AJ Bell.

While the big equity market story this year is the continuing rise of the FANGs (Facebook, Amazon, Netflix and Google) and their ability to disrupt established industries, markets have been brutal towards companies in those industries that are under attack....

How long can performance last?

Strong earnings in tech

Figures from Alphabet, Amazon and Microsoft