Christopher Rokos, co-founder of hedge fund giant Brevan Howard, is leaving the company.
Stamp dealership firm Stanley Gibbons plans to launch a fund investing in rare stamps later this year, allowing UK investors access to the rapid growth of this market.
Man Group was the biggest winner in early trading in London, with its shares up 10.2% to 76.20p.
Odey Asset Management founder Crispin Odey has been picking up shares in Barclays Bank after the share price fell more than 15% in a single day.
F&C has made a "very significant saving" after the Court of Appeal reduced the amount the group has to pay to two hedge fund managers following a 2011 High Court case.