Insight Investment, one of the largest UK fixed income managers, has added its voice to the growing criticism of Bank of England governor Mark Carney for giving contradictory signals on the timing of UK interest rate rises.

Adrian Grey, head of fixed income and currency at Insight Investments, said this morning: "If anyone has a clear understanding from the pronouncements of Mark Carney as to how and why they will raise rates, then they have a better interpretation than us.