A review of how regulators are implementing European market abuse guidelines has shown marked progress, in sharp contrast to a 2013 survey that revealed significant failings.

The European Securities and Markets Authority, which surveyed the region's national competent authorities, or NCAs, to determine how well they are applying provisions in the EU's Market Abuse Directive, found that progress has been made by most regulators, with four - Bulgaria's Financial Services Commission, Romania's Financial Supervisory Authority, Slovenia's Securities Market Agency and the National Bank of Slovakia - now deemed fully compliant.