Fibre and foam products provider Filtrona rose after it was announced its subsidiary, FIL International, has signed an agreement for the acquisition of Contego Healthcare. The transaction values Contego at approximately £160m on a cash free, debt free basis. Meanwhile, Ferrexpo led mining stocks lower, as investors traded cautiously on the back of uncertainty in the Eurozone. Recently demoted stock Kazakhmys was hit after Canaccord Genuity slashed its target price for the copper stock by 30% after increasing its cost forecasts and cutting estimates of by-product output rates. Mining giant Bumi, which has made headlines on numerous occasions over the past few months, has plunged after delaying the publication of its full year results. Domino Printing fell after warning investors that it remains cautious about market conditions in Europe and continues to "note a level of reluctance among some customers to invest, in particular in replacement equipment". FTSE 250 - RisersFiltrona PLC (FLTR) 694.00p +4.75%Brown (N.) Group (BWNG) 432.60p +3.52%Carpetright (CPR) 679.50p +3.50%William Hill (WMH) 390.50p +3.34%Senior (SNR) 250.20p +3.01%Cobham (COB) 247.10p +2.83%Computacenter (CCC) 541.50p +2.56%Berkeley Group Holdings (The) (BKG) 2,087.00p +2.50%Petropavlovsk (POG) 247.00p +2.40%Inmarsat (ISAT) 702.00p +2.11%FTSE 250 - FallersFerrexpo (FXPO) 185.00p -6.42%Bumi (BUMI) 312.60p -6.27%Domino Printing Sciences (DNO) 658.50p -5.93%Essar Energy (ESSR) 145.20p -5.28%Ocado Group (OCDO) 155.30p -4.72%Thomas Cook Group (TCG) 106.30p -4.66%Grainger (GRI) 132.50p -3.92%Balfour Beatty (BBY) 261.20p -3.79%Kazakhmys (KAZ) 487.00p -3.66%Afren (AFR) 145.30p -3.52%NR