Design and engineering consultancy group WS Atkins is higher after it reported a 13% drop in first half profit but said it is well placed to make good progress in the second half of the year.Shares in Informa have recovered after falling yesterday when the publishing group said it was is in discussions over the possible acquisition of German publisher Springer.Defence technology group QinetiQ is under attack after it posted a slight fall in profits in the six months to September 30 and said some orders were being delayed in the UK and US amid uncertainty over government spending.FTSE 250 - RisersAtkins (WS) (ATK) 612.00p +9.58%Kesa Electricals (KESA) 161.20p +4.47%Fidessa (FDSA) 1,112.00p +3.54%Informa (INF) 292.70p +2.70%Computacenter (CCC) 256.70p +2.68%RIT Capital Partners (RCP) 978.50p +2.62%PartyGaming (PRTY) 261.60p +2.47%PV Crystalox Solar (PVCS) 64.55p +2.46%Daily Mail and General Trust (DMGT) 439.20p +2.45%F&C Commercial Property Trust (FCPT) 86.00p +2.38%FTSE 250 - FallersQinetiQ Group (QQ.) 165.60p -7.23%Trinity Mirror (TNI) 146.90p -7.08%Dunelm Group (DNLM) 383.00p -3.28%Hargreaves Lansdown (HL.) 269.30p -3.23%Heritage Oil (HOIL) 454.30p -2.74%Barratt Developments (BDEV) 120.30p -2.67%Lamprell (LAM) 181.50p -2.47%Shaftesbury (SHB) 385.40p -2.31%Ashtead Group (AHT) 70.00p -2.03%Dana Petroleum (DNX) 1,252.00p -1.96%