Warren Buffett sold out of two of his energy stocks - including his position in the world's largest energy company ExxonMobil - as the oil price collapse accelerated at the end of last year.

GLG's Jon Mawby and Andy Li have repositioned their £1bn Strategic Bond fund following the announcement of a €1.1trn quantitative easing programme by the European Central Bank (ECB).

Woodford Investment Management (WIM) is to take a 15% performance fee of any excess returns above the 10% annual return target on its Patient Capital investment trust.

Guinness Asset Management is to close the 'Z" share class on its Global Equity Income fund to new investment as of the end of April.

Neptune Investment Management's Mark Martin has overhauled the £66m UK Opportunities fund since taking over as lead manager, turning it into a higher conviction portfolio with fewer positions.

Talks between eurozone finance ministers on the future of Greece's bailout have come to a dead end, heightening fears of further market turmoil in case Greece is left with no European support.

13 weird happenings for Friday the 13th

Investec Asset Management's Simon Brazier has warned investors on the higher volatility likely to be experienced in 2015, pointing to a backdrop similar to the year in which Lehman Brothers collapsed.

Investec Asset Management's Bradley George is leaving his role as head of commodities and resources to take up a senior position with the group in the US.

Neptune is replacing the outgoing manager of the £66m UK Opportunities fund with its head of UK equities Mark Martin as it continues to restructure its fund range.