Among the worst performers is Cable & Wireless after a mixed third quarter statement. RBS retained its 'hold' rating on the stock and slightly reduced forecasts as its Caribbean business continues to face "challenging trading conditions".A shareholder revolt is brewing at Thomas Cook after the travel agent proposed changes to its executive bonus scheme that could hand hundreds of thousands of pounds to top brass.Daily Mail and General Trust is in the red even thought its underlying revenue in the final three months of 2010 was up 5%.Bluetooth chip specialist CSR surged today after confirming a maiden dividend as fourth quarter revenue came in at the upper end of expectations.Not far behind is the London Stock Exchange Group following its agreement to merge with Canadian peer TMX.Residential housing specialist Grainger is also higher despite a fall in its sales pipeline for the four months to 31 January.SuperGroup is wanted after its rapid growth sped up even more over Christmas, with sales through its shops jumping by more than 90%.FTSE 250 - RisersCSR (CSR) 449.70p +10.36%London Stock Exchange Group (LSE) 972.00p +8.97%Ocado Group (OCDO) 271.30p +5.85%AZ Electronic Materials SA (WI) (AZEM) 316.10p +3.91%Grainger (GRI) 103.90p +3.90%National Express Group (NEX) 257.80p +3.12%Domino's Pizza UK & IRL (DOM) 552.00p +2.99%Hargreaves Lansdown (HL.) 548.50p +2.91%Tate & Lyle (TATE) 592.00p +2.69%Talvivaara Mining Company (TALV) 622.00p +2.64%FTSE 250 - FallersStobart Group Ltd. (STOB) 153.60p -6.11%Victrex (VCT) 1,330.00p -6.07%Cable & Wireless Communications (CWC) 46.99p -4.63%Exillon Energy (EXI) 365.00p -3.49%Daejan Holdings (DJAN) 2,753.00p -3.44%Savills (SVS) 370.70p -3.31%Daily Mail and General Trust (DMGT) 576.50p -3.03%Imagination Technologies Group (IMG) 368.40p -2.90%Telecity Group (TCY) 479.70p -2.89%Premier Foods (PFD) 22.03p -2.61%