Engineering and construction contractor Carillion is among the heaviest fallers in the mid-cap index after it was fined £5.3m by the Office for Fair Trading (OFT) after a four-year investigation into collusion and price-fixing in the building industry. Carillion pointed out that the fine relates to the activities of the firm Mowlem before it was acquired by Carillion.Iron ore producer Ferrexpo and the gold miner Hochschild move higher as metals prices resume their rally, helped by the weaker dollar, following a brief pause yesterday. With stocks on the rise generally, defensively oriented shares such as the water group Northumbrian are out of favour. FTSE 250 - RisersGaliform (GFRM) 73.35p +5.69%Punch Taverns (PUB) 126.70p +5.58%Lamprell (LAM) 185.20p +4.63%Helical Bar (HLCL) 412.20p +4.14%Euromoney Institutional Investor (ERM) 313.00p +3.85%International Personal Finance (IPF) 142.00p +3.80%Peter Hambro Mining (POG) 915.50p +3.62%Ferrexpo (FXPO) 157.90p +3.27%Misys (MSY) 202.00p +3.22%Hochschild Mining (HOC) 336.40p +3.19%FTSE 250 - FallersBlueBay Asset Management (BBAY) 282.10p -4.37%Aveva Group (AVV) 895.00p -3.76%Trinity Mirror (TNI) 155.00p -3.13%Britvic (BVIC) 340.70p -2.68%Northumbrian Water Group (NWG) 248.50p -2.55%TR Property Inv Trust Sigma Shares (TRYS) 73.50p -2.39%Hays (HAS) 110.20p -2.30%Carillion (CLLN) 281.80p -2.19%Persimmon (PSN) 489.20p -1.98%Bovis Homes Group (BVS) 495.80p -1.82%