Surviving market madness

Bet you don’t know what Hollywood A-lister Kevin Bacon has in common with climate-change activist Greta Thunberg? Maybe you should, because the answer is implied in the question. The point is, it’s almost axiomatic that the incredibly well-connected Mr Bacon has a link with almost everyone on the planet. That’s why the notion of ‘six degrees of separation’ – the idea that anyone is no more than six acquaintances away from anyone else – is informally called ‘Bacon’s Law’ after the actor’s seeming ability to have worked with just about everyone else in the movie business.