FSA pronouncements on market abuse are more like the better cab ranks (certainly not the one at St Pancras) than theproverbial pair of London buses. Last month saw the publication of a consultation paper (CP0810, Decision Procedure and Penalties Manual and Enforcement Guide Review 2008) in which the FSA sets out the grounds on which it may extend leniency towards suspects who co-operate with the regulator in criminal insider dealing and market abuse investigations.