Consumer electronics company Dixons Retail was the top riser as analysts said they expect the owner of PC World and Currys to deliver solid first quarter results on Thursday.Spirent Communications rallied as the telecommunications testing company said its Chief Executive Officer Bill Burns will step down with immediate effect.Genus slumped after the animal genetics company reported a 30% decline in profit following a non-cash writedown on the value of its herd of bulls. JPMorgan Indian Inv Trust declined as newcomers to the FTSE 250 were expected to hurt its business. TalkTalk was doing well after JP Morgan upped its stance on the shares to overweight from neutral. FTSE 250 - RisersDixons Retail (DXNS) 44.50p +7.23%Spirent Communications (SPT) 133.20p +3.58%Balfour Beatty (BBY) 258.80p +3.40%TalkTalk Telecom Group (TALK) 255.70p +3.10%Xaar (XAR) 806.50p +3.00%Domino's Pizza Group (DOM) 600.00p +2.74%F&C Asset Management (FCAM) 97.85p +2.35%Ashmore Group (ASHM) 347.50p +2.06%Ashtead Group (AHT) 685.50p +1.86%Cobham (COB) 289.20p +1.83%FTSE 250 - FallersGenus (GNS) 1,348.00p -8.86%JPMorgan Indian Inv Trust (JII) 285.50p -4.83%Debenhams (DEB) 104.70p -3.50%Evraz (EVR) 122.90p -3.15%Workspace Group (WKP) 433.50p -2.74%Amlin (AML) 389.00p -2.38%Rathbone Brothers (RAT) 1,580.00p -2.17%Great Portland Estates (GPOR) 533.00p -2.11%Capital & Counties Properties (CAPC) 318.70p -1.94%Derwent London (DLN) 2,335.00p -1.93%RD