Design and engineering consultancy WS Atkins said it expects full year results to be ahead of market expectations after a strong performance at its Middle East business. The group, which is the official engineering design services provider for the London 2012 Games, said overall it had traded well through the fourth quarter. Its UK business continues to perform in line with expectations despite challenging market conditions.Teen outfitter JD Sports Fashion hiked its dividend by about 30% after reporting a sharp rise in profits but said it is "extremely cautious" on the outlook. The sports-themed fashion retailer posted a pre-tax profit of £78.6m in the year to 29 January, up from £61.4m the previous year, on revenues that rose to £883.7m from £769.8m. The full-year dividend is upped to 23p from 18p.FTSE 250 - RisersAtkins (WS) (ATK) 741.00p +7.63%Brown (N.) Group (BWNG) 275.70p +3.65%Genus (GNS) 971.50p +3.30%Supergroup (SGP) 1,407.00p +3.30%Barratt Developments (BDEV) 104.90p +3.25%Carpetright (CPR) 654.00p +2.83%Debenhams (DEB) 66.70p +2.77%William Hill (WMH) 185.20p +2.72%Hunting (HTG) 803.50p +2.68%Shanks Group (SKS) 116.10p +2.56%FTSE 250 - FallersJupiter Fund Management (JUP) 278.50p -3.30%BBA Aviation (BBA) 200.30p -2.53%JD Sports Fashion (JD.) 879.50p -2.44%Thomas Cook Group (TCG) 165.30p -2.42%Berendsen (BRSN) 480.40p -2.36%COLT Group SA (COLT) 144.30p -2.24%Devro (DVO) 275.10p -2.24%Mondi (MNDI) 582.50p -2.18%Cookson Group (CKSN) 647.50p -1.97%Charter International (CHTR) 750.50p -1.96%HH