Ashmore, a UK fund manager that invests in emerging markets, saw its shares dive after it said assets under management fell 4.1 per cent during the quarter ended December 31st amid continued market volatility.AuM fell to $75.3bn during the quarter from $78.5bn as a result of net outflows totalling $3.5bn and positive investment performance of $0.3bn.Ocado eased off recent strong gains ahead of its trading update on Thursday, which is widely expected to show positive Christmas trading for the group. Estate agent chain Countrywide was also in the red despite saying its annual results would be at the top end of hopes after boosting income by 25% in the last three months of 2013. Countrywide, which runs brands such as Bairstow Eves, Bridgfords and Hamptons, said total income in the three months to December 31st lifted a quarter to £171m, boosting annual income by 11% to £584.8m.UK recruitment agency Michael Page fell after it reported a 1.2% fall in fourth quarter gross profit as companies remained reluctant to take on permanent staff. Permanent placements, which account for 75% of gross profit, declined 2.9% to £93.6m from £96.4m the previous year. Temporary recruitment, 25% of gross profit, was up 4.3% to £31.4m from £30.1m. Meanwhile, QinetiQ Group was recovering one day after UBS AG lowered its rating on the stock to neutral on Monday. Imagination Technologies Group rose following a reiteration of its 'buy' rating from Goldman Sachs. FTSE 250 - RisersQinetiQ Group (QQ.) 235.80p +3.65%Imagination Technologies Group (IMG) 181.80p +3.59%Partnership Assurance Group (PA.) 325.50p +3.46%esure Group (ESUR) 269.90p +3.25%African Barrick Gold (ABG) 189.00p +2.61%CSR (CSR) 689.50p +2.15%Homeserve (HSV) 299.90p +1.90%Devro (DVO) 316.50p +1.90%Dunelm Group (DNLM) 945.00p +1.67%Greencore Group (GNC) 231.10p +1.63%FTSE 250 - FallersAshmore Group (ASHM) 357.70p -12.50%Ted Baker (TED) 2,231.00p -4.13%Ocado Group (OCDO) 520.00p -3.88%Countrywide (CWD) 598.50p -3.31%Henderson Group (HGG) 228.30p -3.02%Brewin Dolphin Holdings (BRW) 318.30p -2.81%IP Group (IPO) 177.30p -2.58%Senior (SNR) 302.10p -2.45%Michael Page International (MPI) 477.40p -2.39%Micro Focus International (MCRO) 759.50p -2.38%NR