United Business Media (UBM) leads the risers. Full-year figures from business publisher were ahead of expectations in a 'tough' year and the outlook for underlying performance in 2010 is 'stable'.Fellow business publisher Informa also climbs.Hochschild Mining's shares are also higher after its executive chairman Eduardo Hochschild has bought the miner's 36.9% stake in Zincore Metals for C$10.3m. Premier Oil slips back after saying it has abandoned exploration well 16/4-5 in the Norwegian North Sea as a non-commercial well, but results from the first of another two promising wells are due in the next few weeks.Arriva is down after the rail and bus group said discussions with France's state rail operator SNCF over a possible tie-up had ended.Profits slumped by 85% last year as recruiter Michael Page felt the full force of the recession, though some of its markets are starting to recover and its expects an improvement this year.FTSE 250 - RisersUnited Business Media (UBM) 497.90p +7.44%Laird (LRD) 145.20p +6.06%International Personal Finance (IPF) 226.50p +5.74%IG Group Holdings (IGG) 431.50p +5.50%Hochschild Mining (HOC) 304.40p +4.86%Pace (PIC) 176.00p +4.45%Intermediate Capital Group (ICP) 260.50p +4.33%Ferrexpo (FXPO) 298.20p +4.19%Informa (INF) 377.00p +4.00%Millennium & Copthorne Hotels (MLC) 421.40p +3.92%FTSE 250 - FallersMichael Page International (MPI) 384.20p -2.73%Arriva (ARI) 559.00p -1.93%Drax Group (DRX) 373.80p -1.81%De La Rue (DLAR) 939.00p -1.73%Premier Oil (PMO) 1,114.00p -1.50%Lamprell (LAM) 240.00p -1.44%Mitie Group (MTO) 231.00p -1.37%Charter International (CHTR) 685.00p -1.30%Daejan Holdings (DJAN) 2,428.00p -1.30%Cranswick (CWK) 810.00p -1.22%