Financial companies are moving their EU operations to nations that will stay in the EU.
While the PTB in the UK are freaking out about this, this is actually a good thing.
The average Briton has been harmed by the growth of the UK financial industry, much in the same way that US citizens have been harmed by the US financial industry.
Above a certain size, a bloated financial industry reduces growth and becomes parasitic.
London will become more affordable for people who do productive work, and the resources and brain power that have been devoted to financial engineering will go to productive pursuits.
If these people move to Paris, or Frankfurt, or Brussels, it will make the lives of the people there worse, and the lives of the people in south east England better.
The UK will end up a more humane and more equal place as a result.