Babcock was on the up after its Babcock Dounreay partnership became the Parent Body Organisation of Dounreay Site Restoration, and with it has grabbed the contract to manage the decommissioning, demolition and clean-up of the Dounreay nuclear site.Specialist chemicals maker Yule Catto fell despite assuring that its operations had been unaffected by a large explosion at an industrial park in Marl, Germany.House building and construction group Galliford Try was also out of favour despite having reached financial close on the Gateshead regeneration programme, for which it was named preferred bidder a year ago. FTSE 250 - RisersCookson Group (CKSN) 724.50p +4.85%Salamander Energy (SMDR) 225.20p +4.74%Babcock International Group (BAB) 823.00p +3.33%Ophir Energy (OPHR) 524.00p +3.25%Imagination Technologies Group (IMG) 706.00p +3.14%RPS Group (RPS) 243.90p +2.87%Halma (HLMA) 390.90p +2.71%Hiscox Ltd. (HSX) 406.80p +2.70%Soco International (SIA) 303.50p +2.53%Avocet Mining (AVM) 188.90p +2.44%FTSE 250 - FallersFirstGroup (FGP) 224.20p -5.68%AG Barr (BAG) 1,130.00p -4.32%Computacenter (CCC) 423.50p -3.97%Savills (SVS) 363.50p -3.71%Brewin Dolphin Holdings (BRW) 170.70p -3.56%Kesa Electricals (KESA) 67.75p -3.21%Perform Group (PER) 300.20p -3.16%JD Sports Fashion (JD.) 771.00p -3.08%Galliford Try (GFRD) 606.50p -2.96%Anglo Pacific Group (APF) 306.00p -2.70%NR