The Financial Conduct Authority said it is concerned about the fairness of automatic renewals of fixed-term bonds, after it has found failings in more than half of firms reviewed.
The BBC has raised £170m to help finance BBC Worldwide after tapping bond markets for the first time in its history.
The BBC is planning to tap the bond markets for the first time in order to raise capital, according to the Times.
An innovative scheme allows investors to back bright students who are an excellent credit risk and have an exceptionally low default rate.
Global fund management groups such as BlackRock, T Rowe Price and Federated Investors are rushing to set up ‘ultra-short' bond funds to lure investors away from the money markets.