Hedge fund guru George Soros has bought a 3.5% stake in boutique MAM Funds through his company Quantum Partners.
The Dow Jones is trading in the red after lower than expected US retail sales figures weighed on investor sentiment.
Rob Burnett, Neptune's head of European equities, has taken over the management of the European Income fund, supported by his team, following the departure of Karim Ladha.
Fidelity's Sanjeev Shah has reduced his weighting to overseas equities in the £3bn Special Situations fund in favour of domestic large caps.