Instrumentation and controls company Spectris climbed after saying it expects full year results to be ahead of expectations after an 'encouraging' first half.SThree was in demand too. The stock goes up to 'buy' from 'hold' at Panmure Gordon ahead of the recruitment and contract placement specialist's interim results on Monday.Aquarius Platinum, which mines for the precious metal in South Africa, fell in line with metals prices.FTSE 250 - RisersMelrose Resources (MRS) 316.00p +10.07%Supergroup (SGP) 1,006.00p +9.35%Spectris (SXS) 893.00p +6.88%Dana Petroleum (DNX) 1,483.00p +4.73%JD Sports Fashion (JD.) 803.00p +4.29%Telecity Group (TCY) 420.00p +4.14%SThree (STHR) 293.00p +2.95%Eaga (EAGA) 119.30p +2.40%Connaught (CNT) 107.50p +2.38%TR Property Inv Trust Sigma Shares (TRYS) 63.50p +2.34%FTSE 250 - FallersAquarius Platinum Ltd. (AQP) 263.00p -12.77%Taylor Wimpey (TW.) 26.15p -4.81%Daejan Holdings (DJAN) 2,263.00p -4.19%Ashtead Group (AHT) 91.20p -4.10%Computacenter (CCC) 285.20p -3.62%Aveva Group (AVV) 1,292.00p -3.58%Redrow (RDW) 104.20p -3.52%Logica (LOG) 108.30p -3.22%Laird (LRD) 105.70p -3.21%Paragon Group Of Companies (PAG) 119.10p -3.09%