Software provider Logica's share price took a tumble after the group reported a fall in pre-tax profits after its exposure to the squeezed public sector pushed it to an underlying loss in the Benelux countries. Amlin's share price started to rise again following a drop after the underwriter's announcement on Tuesday that it is unlikely to meet its profit targets for the full year, UBS has downgraded the underwriter from buy to neutral. Elementis's share price continues to rise following Tuesday's announcement that the company's profits had risen 53%. For the six months ended 30 June, the company's revenue rose 11% to $396m, up from $358m last year. The company's pre-tax profits increased to $70.6m, up 53% from $46.4m in the corresponding period last year. FTSE 250 - RisersElementis (ELM) 153.40p +3.65%easyJet (EZJ) 333.10p +3.58%Amlin (AML) 336.10p +3.45%Mitchells & Butlers (MAB) 247.10p +3.39%Lamprell (LAM) 331.80p +3.27%Supergroup (SGP) 877.50p +3.24%Carpetright (CPR) 611.00p +3.04%Ocado Group (OCDO) 147.90p +2.71%Cobham (COB) 178.60p +2.53%Fenner (FENR) 333.60p +2.52%FTSE 250 - FallersPremier Foods (PFD) 13.25p -16.56%Logica (LOG) 89.35p -13.17%Afren (AFR) 104.80p -11.64%Centamin Egypt Ltd. (CEY) 89.85p -10.15%ITE Group (ITE) 183.80p -8.78%Hunting (HTG) 660.50p -8.26%Sports Direct International (SPD) 222.70p -8.24%Unite Group (UTG) 186.20p -8.05%SVG Capital (SVI) 243.00p -7.95%New World Resources A Shares (NWR) 639.00p -7.66%