Fund management company Schroders is to increase its exposure to corporate bonds and sell government bonds as part of a revised investment strategy.
The company believes that as the global economy recovers, returns from riskier areas such as corporate bonds will improve.
Robert Michele, global head of fixed income at Schroders, said: "Whereas average government bond yields have fallen by about 1.5 per cent over the past six months, corporate yields remained either unchanged or rise slightly. In fact, issues in sectors such as automobiles and telecoms have yields rise by up to 4 per cent.
"Given these moves I would say that this is one of the best opportunities to sell government bonds and buy corporate ones that I have seen in the past 20 years."
During the economic downturn, investors took refuge in the safety of government bonds, eschewing risker investment classes.