FTSE 250 movers: Hikma, Bovis, Betfair, Balfour Beatty

Pharmaceutical group Hikma Pharmaceuticals topped the leaderboard after saying it expects revenue to grow by 17 per cent in 2013 compared to its previous guidance of 13 per cent.Bovis Homes Group gained after announcing its reservations in the first half were ahead of its expectations amid signs of a strong improvement in the housing market. Betfair Group retreated following market speculation that German lender Deutsche Bank is placing 11m shares of the online betting firm on behalf of Charlton Group.Balfour Beatty plunged after Bank of America downgraded the infrastructure group to a 'neutral' rating from 'buy', citing struggles in the company's earnings recovery next year.FTSE 250 - RisersHikma Pharmaceuticals (HIK) 1,079.00p +8.55%Bovis Homes Group (BVS) 821.00p +5.94%Centamin (DI) (CEY) 37.69p +5.66%Crest Nicholson Holdings (CRST) 357.00p +5.00%Computacenter (CCC) 510.00p +4.19%Alent (ALNT) 362.40p +4.02%Enterprise Inns (ETI) 120.60p +3.97%Tullett Prebon (TLPR) 346.80p +3.74%BTG (BTG) 393.60p +3.72%Micro Focus International (MCRO) 755.50p +3.71%FTSE 250 - FallersBetfair Group (BET) 840.00p -4.49%Balfour Beatty (BBY) 209.50p -2.96%Fidelity China Special Situations (FCSS) 84.00p -2.78%BH Macro Ltd. EUR Shares (BHME) € 21.12 -1.77%Barr (A.G.) (BAG) 526.00p -1.77%Kier Group (KIE) 1,246.00p -1.73%Carpetright (CPR) 620.00p -1.59%BH Macro Ltd. USD Shares (BHMU) 20.9 -1.42%COLT Group SA (COLT) 103.00p -1.34%Dunelm Group (DNLM) 1,006.00p -1.18%RD