Russian steelmaker Evraz rebounded on Thursday following a slump a day earlier when it reported an eight per cent fall in crude steel production for the first quarter. Online grocer Ocado Group gained ahead of the Easter weekend as shoppers stocked up on food for the holiday.Mining giant Centamin slumped as the price of gold declined.UK retailer Debenhams declined after this week reporting a fall in profit for the 26 weeks to March 1st, reflecting lower-than-expected clothing sales. Cantor Fitzgerald Europe subsequently told investors to sell shares in the company. FTSE 250 - RisersEvraz (EVR) 89.45p +7.19%Ocado Group (OCDO) 357.00p +6.89%Countrywide (CWD) 634.50p +5.05%Close Brothers Group (CBG) 1,391.00p +4.90%Crest Nicholson Holdings (CRST) 375.10p +4.66%Thomas Cook Group (TCG) 170.50p +3.90%Britvic (BVIC) 735.00p +3.81%Grainger (GRI) 230.80p +3.78%RPC Group (RPC) 627.00p +3.64%Bank of Georgia Holdings (BGEO) 2,626.00p +3.59%FTSE 250 - FallersKazakhmys (KAZ) 232.20p -2.68%Centamin (DI) (CEY) 52.80p -2.67%Domino's Pizza Group (DOM) 517.50p -2.63%Polymetal International (POLY) 600.50p -2.28%Diploma (DPLM) 672.00p -1.75%Debenhams (DEB) 79.60p -1.73%KCOM Group (KCOM) 97.40p -1.67%Ophir Energy (OPHR) 225.70p -1.66%IP Group (IPO) 190.40p -1.60%Greencore Group (GNC) 255.40p -1.54%RD