The book provides a comprehensive and authoritative analysis on the regulation of financial markets and market infrastructure. It focuses on stock markets and exchanges, associated trading, clearing, and settlement, and on payment systems, set in their historical and current contexts. This new edition addresses a number of major developments that have impacted the UK, wider European and international financial markets, such as within the UK, the PRA, the FCA and the Bank of England have become established financial regulators, each with its distinguishing responsibilities; MiFID has been substantially revised and strengthened through new directly applicable EU regulation; MiFID 2 also addresses the challenges posed by the use of fast-technology such as high frequency and algorithmic trading; and new technology is beginning to make an impact on the infrastructure of financial markets. This new edition includes updated content on the growing importance of financial technology with two new chapters on the emerging impact of financial technology on markets and on the regulation of markets. There is also a new chapter on MiFID 2 and MiFIR – the new securities trading architecture that will see the introduction of a new trading venue as well as significant changes to and the pre- and post-trade transparency and reporting regime. The introduction of mandatory trading of derivatives on trading venues is addressed together with the related post-EMIR regime for the mandatory clearing of certain classes of derivatives. Chapters on the role of the European Commission and ESMA have been updated, and consideration is given to the possible implications of Brexit for market location and access