By Charlie Conchie London-listed asset manager Ashmore said emerging markets could be set for a rebound this year after the prospect of interest rate cuts helped boost its investment performance in the final three months of last year. In a trading update this morning, the FTSE250 investor said its assets under management rose by $2.3bn to $54bn in the three months to December as potential moves by the US Federal Reserve to loosen monetary policy lifted the value of its assets. Ashmore’s funds notched a positive investment performance of $3.9bn in the three months to the end of December, offset…