Shares in ITV fall back amid the broadcaster's continuing failure to hire a new chief executive. Miner Aquarius Platinum and oil group Dana Petroleum fall victim to the continuing pull-back in commodity prices. Mitchells and Butlers recovers some of the value the pub group behind the O' Neill's chain lost after releasing a trading statement on Thursday.FTSE 250 - RisersHalma (HLMA) 219.30p +3.44%Mitchells & Butlers (MAB) 270.80p +3.12%Hikma Pharmaceuticals (HIK) 462.70p +2.89%St. Modwen Properties (SMP) 222.20p +2.87%Travis Perkins (TPK) 786.00p +2.75%UK Commercial Property Trust (UKCM) 71.00p +2.75%Aveva Group (AVV) 894.00p +2.70%Big Yellow Group (BYG) 381.90p +2.66%Homeserve (HSV) 1,582.00p +2.33%Taylor Wimpey (TW.) 41.92p +2.32%FTSE 250 - FallersYell Group (YELL) 53.30p -5.16%Aquarius Platinum Ltd. (AQP) 274.40p -3.45%PV Crystalox Solar (PVCS) 74.45p -3.19%Rank Group (RNK) 89.30p -2.93%Dana Petroleum (DNX) 1,343.00p -2.82%ITV (ITV) 43.70p -2.65%Savills (SVS) 330.40p -2.62%DSG International (DSGI) 26.00p -2.55%Wellstream Holdings (WSM) 649.50p -2.33%Game Group (GMG) 163.30p -2.33%