Transport logistics firm Stobart was the biggest faller despite reporting a solid set of half year figures as it repositioned its strategy in the face of a prolonged weak economic background. The fall came as Investec cut its target on the stock from 176p to 165p, although its buy recommendation was unchanged. F&C Asset Management was heading up after an upgrade by Credit Suisse from underperform to neutral, following the firm's third quarter results yesterday.Business-to-business publisher and events organiser Informa was rising higher after reporting that it is on track to meet its full-year expectations and is enjoying organic growth across all of its businesses. Exillon Energy also followed suit after it said that its average daily production surged 53% in the third quarter, averaging 9,137 barrels a day (bbl/day), up from 5,985 bbl/day the year before.CSR, the Cambridge-based wireless technology and computer chip company, was one of the top risers, having seen revenues drop 5.8% in the 13 weeks to the end of September, compared with the same period last year.FTSE 250 - RisersHikma Pharmaceuticals (HIK) 667.00p +5.87%CSR (CSR) 194.90p +5.81%Lamprell (LAM) 238.90p +4.83%Exillon Energy (EXI) 279.30p +4.37%F&C Asset Management (FCAM) 66.60p +4.06%Carpetright (CPR) 509.00p +3.88%Informa (INF) 369.70p +3.82%Galliford Try (GFRD) 468.70p +3.42%Interserve (IRV) 330.00p +3.22%Kesa Electricals (KESA) 105.70p +3.02%FTSE 250 - FallersStobart Group Ltd. (STOB) 117.60p -6.59%Cookson Group (CKSN) 479.70p -3.23%Sports Direct International (SPD) 229.40p -3.17%Halma (HLMA) 327.50p -3.14%International Personal Finance (IPF) 263.10p -2.84%Bankers Inv Trust (BNKR) 385.00p -2.78%Kenmare Resources (KMR) 40.17p -2.62%Tullett Prebon (TLPR) 357.70p -2.53%Rentokil Initial (RTO) 70.55p -2.49%Henderson Group (HGG) 119.40p -2.21%NR