Electrocomponents, the world's largest distributor of electronics and maintenance products, has moved ahead after saying it expects full year profits will be ahead of previous expectations after a strong first half.Instrumentation and controls company Spectris is wanted after saying it has seen a revenue growth spurt in the second half of the year, prompting the group to raise profits guidance.Also higher is Lloyd's underwriter Catlin, which did well in the third quarter, managing to avoid any losses from this year's hurricane season, helping net premiums earned rise 13% for the nine months.FTSE 250 - RisersXchanging (XCH) 120.50p +6.54%Supergroup (SGP) 1,425.00p +5.56%Spectris (SXS) 1,173.00p +4.55%Premier Farnell (PFL) 286.10p +4.26%Electrocomponents (ECM) 258.40p +4.24%Computacenter (CCC) 384.80p +3.97%Sports Direct International (SPD) 133.30p +3.74%Elementis (ELM) 116.00p +3.66%Catlin Group Ltd. (CGL) 360.70p +2.91%Shanks Group (SKS) 116.80p +2.73%FTSE 250 - FallersImagination Technologies Group (IMG) 379.10p -6.05%Hikma Pharmaceuticals (HIK) 754.50p -3.64%Kenmare Resources (KMR) 24.60p -3.53%Lamprell (LAM) 351.40p -3.22%Ferrexpo (FXPO) 383.50p -3.13%Victrex (VCT) 1,195.00p -2.85%TR Property Inv Trust Sigma Shares (TRYS) 73.95p -2.70%Howden Joinery Group (HWDN) 90.05p -2.70%Barratt Developments (BDEV) 79.30p -2.46%Intermediate Capital Group (ICP) 329.80p -2.37%