Europe’s top financial regulators are boosting efforts to prevent damage to London’s role as a global hub for asset management during the second phase of talks between the UK and EU on their post-Brexit relationship. The UK’s £8.1tn asset management industry is the largest in Europe, overseeing more money than Germany, France and Italy combined, but its critical role as a Europe-wide provider of investment services remains under threat from the uncertainties and risks posed by Brexit.