UBS comments have hit sentiment at consumer electronics retailer Kesa Electricals, the owner of the Comet chain, after it cut its forecasts to reflect weaker trading in the UK after the surprise profit warning from peer Dixons. A 'hold' rating was kept but the target price was lowered to 125p, from 140p.Coal-fired power station operator Drax is higher after getting £180m cash in tax relief after reaching an agreement with the UK tax man. Drax and HM Revenue and Customs have settled an issue relating to Drax's Eurobond financing structure. Also wanted is UK-focused oil and gas group Enquest after it said it was "very disappointed" with the government's decision to increase taxes on North Sea oil firms, though it remains confident of delivering on its 2011 targets. Specialist healthcare company BTG is edging higher after results for the year to end-March are thought to be in line with previously stated guidance.The recent natural disasters in New Zealand, Japan and Australia could result in Amlin facing claims of as much as £275m, according to estimates released by the underwriter. Nevertheless, shares are up 0.8% as of Tuesday afternoon.---bcFTSE 250 - RisersTate & Lyle (TATE) 590.50p +3.42%CSR (CSR) 380.50p +2.84%Centamin Egypt Ltd. (CEY) 138.60p +2.44%Carpetright (CPR) 675.50p +2.43%Hansteen Holdings (HSTN) 88.35p +2.14%Salamander Energy (SMDR) 312.40p +2.12%Savills (SVS) 380.10p +2.10%Dignity (DTY) 707.50p +2.09%Hiscox Ltd. (HSX) 400.50p +2.04%Ashtead Group (AHT) 208.40p +1.86%FTSE 250 - FallersKeller Group (KLR) 619.50p -4.47%Kesa Electricals (KESA) 111.70p -3.54%Taylor Wimpey (TW.) 40.32p -3.03%Barratt Developments (BDEV) 112.10p -2.94%Cable & Wireless Worldwide (CW.) 51.50p -2.92%Shanks Group (SKS) 114.10p -2.89%Domino's Pizza UK & IRL (DOM) 412.80p -2.87%Chemring Group (CHG) 692.50p -2.74%Mothercare (MTC) 388.90p -2.56%Cookson Group (CKSN) 702.00p -2.50%