Thomas Peterffy

It is only when you watch the dense mass of thousands of ants, crowded together around the Hill, blackening the ground, that you begin to see the whole beast, and now you observe it thinking, planning, calculating. It is an intelligence, a kind of live computer, with crawling bits for its wits.

I am an optimist about the UK. We have been involved in trade with our European partners, which we will always be doing whatever this relationship is. We are a member of the EU. That gives us benefits. But we have to figure out where that is going. In the world, we are a global trader already.