Engineering software company AVEVA surged on the second-tier index after it reported record profits for the 12 months ended March 21st as the firm capitalised on growing demand from deep-water oil and gas exploration. Satellite group Inmarsat also rose strongly after Jefferies upgraded its rating on the stock from hold to buy, saying that it now has greater visibility on the issues cited behind the August 2011 profit warnings. Aquarius Platinum was heading higher having reassured investors that its Mimose mine has not been affected by the recent directive from the Reserve Bank of Zimbabwe relating to the suspension of banking services for certain mining companies. FTSE 250 - RisersAveva Group (AVV) 1,633.00p +10.26%Cape (CIU) 224.00p +9.27%Aquarius Platinum Ltd. (AQP) 73.50p +8.01%Renishaw (RSW) 1,448.00p +7.10%Ferrexpo (FXPO) 217.20p +5.23%Dixons Retail (DXNS) 14.71p +5.15%Homeserve (HSV) 148.80p +4.79%Ruspetro (RPO) 155.40p +4.58%Avocet Mining (AVM) 149.50p +4.33%Ocado Group (OCDO) 105.90p +4.23%FTSE 250 - FallersEssar Energy (ESSR) 110.30p -3.75%Dunelm Group (DNLM) 490.70p -2.83%Petra Diamonds Ltd.(DI) (PDL) 124.90p -2.65%Britvic (BVIC) 339.70p -1.82%Beazley (BEZ) 135.20p -1.53%Restaurant Group (RTN) 280.00p -1.41%Jardine Lloyd Thompson Group (JLT) 671.50p -1.40%Heritage Oil (HOIL) 121.10p -1.30%PayPoint (PAY) 613.00p -1.13%Hiscox Ltd. (HSX) 385.30p -1.10%NR