The chief executive of the Association for Financial Markets in Europe last night called on some of Europe's most senior bankers to help restore trust in the industry by returning to the "old spirit of partnership and responsibility" evident in SG Warburg.

In a well-received speech at last night's Awards for Excellence in European Investment Banking, the chief executive of the industry trade body touched on two key issues: the culture of banking itself, and the desirable shape and scale of the industry.