Principal Investment Management's latest income study has suggested investors should switch out of Carl Stick's £481m Rathbone Income fund and Nick Kirrage and Kevin Murphy's £1.3bn Schroder Income fund as performance deteriorates.

Fidelity's Anthony Bolton has said he expects changes to US listings regulations following concerns over reverse-takeovers and admitted market conditions in China have surprised him.

Martin Currie is set to lose its Shanghai research team after its China joint venture partner announced it would buy out the company's stake.

Futures manager Dighton Capital Management has made a bullish call on the dollar even as the debt ceiling crisis continues to worsen.

Threadneedle is planning to launch an absolute return bond fund for head of fixed income Jim Cielinski.

Aberdeen has appointed Henderson Extra Monthly Income Bond fund manager Ben Pakenham to help manage its range of high yield portfolios.

Rathbone Brothers has reported a pre-tax profit of £20.6m for the first six months of 2011, up 30.4% year-on-year.

First State Investments' Jonathan Asante and Aberdeen's head of global emerging markets Devan Kaloo have clashed over the growth prospects for GEM banks.

The Dow Jones closed more than 90 points lower on Tuesday amid escalating fears the US will default on its debt for the first time in its history.

George Soros is set to retire from managing money for outside investors after almost 40 years running hedge funds.