Industrial coding, printing and marking technology group Domino Printing was the worst performer on the FTSE 250 after reporting a small decline in annual profit as it battles against tough market conditions.Pre-tax profit fell to £53.94m for the year ended October 31st 2012 from £57.44m the year before. Revenue for the period slipped to £312.1m from £314.1m previously. High performance polymer manufacturer Victrex tanked after full-year revenues rose just 2% to £219.8m. Victrex was also lower after Numis cut its rating for the stock to 'reduce'.In contrast, chip specialist Imagination Tech gained after Deutsche Bank raised its recommendation to 'buy'.Coal miner Bumi was also on the rise on speculation that its Chief Executive Nalin Rathod could resign from the board tomorrow amidst an investigation into "potential financial irregularities" at its division, Bumi Resources, in Indonesia.Spread betting firm IG Group was out of favour after revealing a 14% reduction in its revenue for the period June 1st to November 30th, reflecting particularly tough comparators with last year benefitting from high market volatility.Bakery and hot snacks retail chain Greggs was lower as investors continued to fret over the departure of its Chief Executive Ken McMeikan who announced yesterday that he would be leaving for catering firm Brakes Group.FTSE 250 - RisersImagination Technologies Group (IMG) 453.50p +5.64%Bumi (BUMI) 285.50p +4.96%Sports Direct International (SPD) 403.90p +4.64%Dechra Pharmaceuticals (DPH) 621.50p +3.76%Premier Farnell (PFL) 187.40p +2.85%Intermediate Capital Group (ICP) 303.20p +2.64%Shanks Group (SKS) 78.50p +2.61%Petra Diamonds Ltd.(DI) (PDL) 106.60p +2.50%African Barrick Gold (ABG) 420.00p +2.44%International Personal Finance (IPF) 367.70p +2.42%FTSE 250 - FallersDomino Printing Sciences (DNO) 566.00p -7.21%Victrex (VCT) 1,574.00p -3.79%BH Global Ltd. USD Shares (BHGU) 11.1 -2.63%IG Group Holdings (IGG) 427.00p -2.24%Dixons Retail (DXNS) 27.47p -2.21%Chemring Group (CHG) 234.90p -2.08%COLT Group SA (COLT) 95.60p -2.00%Diploma (DPLM) 509.00p -1.74%Cairn Energy (CNE) 263.70p -1.68%Greggs (GRG) 464.60p -1.67%BC