Hedge funds have suffered their worst start to the year in performance terms since the financial crisis, as returns in March and January were both in the red after a volatile quarter for equities, new data reveal.

Positive returns in the first quarter of the year have been harder to come by for the hedge fund managers, which make risky bets so they can make money whether a market rises or falls, as tensions between Russia and the West have flared and developed stock markets are down year to date.