If he was doing business in on a London exchange then you would be right. He decided to do business on a US exchange so US laws end up applying. And the UK law

If he was doing business in on a London exchange then you would be right. He decided to do business on a US exchange so US laws end up applying. And the UK laws did apply here, can we and should we allow the extradition to happen? UK laws said that he was liable under US laws so he would be extradited.