Parent Cinnober is heading into Nasdaq's arms.
42% of the UK fintech workforce is from overseas.
MiFID II requires asset managers to submit transaction reports.
London Stock Exchange's MTF added AIM UK 50 stocks in October 2017.
Quote-based interest rate benchmarks have been manipulated.
Europe is the largest source of overseas assets for UK fund managers.
Asian investors increasingly want to access European capital markets data.
Regulators want robust investor protection.
New York took the index top spot for first time since March 2015.