Spread betting firm IG Group rose strongly after first-quarter revenues came in line with expectations, though they were still 18% down year-on-year due to a tough comparative. Oxford Instruments, the high-tech tools and systems provider, was lower after it reported order intake from its research markets remains good, but there has been some softness in its industrial markets. FTSE 250 - RisersIG Group Holdings (IGG) 459.60p +6.05%Aquarius Platinum Ltd. (AQP) 38.25p +3.46%Dechra Pharmaceuticals (DPH) 577.50p +3.40%Talvivaara Mining Company (TALV) 145.40p +2.61%Yule Catto & Co (YULC) 170.60p +2.52%Melrose (MRO) 257.10p +2.39%Bumi (BUMI) 286.80p +1.74%Diploma (DPLM) 455.00p +1.47%Go-Ahead Group (GOG) 1,341.00p +1.36%Domino Printing Sciences (DNO) 571.50p +1.15%FTSE 250 - FallersRuspetro (RPO) 99.25p -13.47%JD Sports Fashion (JD.) 682.00p -5.74%Hays (HAS) 77.55p -4.55%Oxford Instruments (OXIG) 1,305.00p -4.40%Taylor Wimpey (TW.) 55.75p -3.88%Moneysupermarket.com Group (MONY) 134.30p -3.38%Chemring Group (CHG) 319.50p -3.36%Michael Page International (MPI) 374.20p -3.21%Bwin.party Digital Entertainment (BPTY) 100.50p -3.09%Homeserve (HSV) 230.70p -3.07%NR