Aerospace and defence systems group Meggitt is going well after saying that it is trading in line with expectations and that it has seen signs of stabilisation. Shares in Yell Group are sharply higher after the directories group appeared to move closer to a solution to its refinancing problems. The Yellow Pages firm, which yesterday extended the deadline for its refinancing to 5pm that evening, said today that it has made significant progress over the last 24 hours and is now awaiting acceptances from the final two lenders.F&C Asset Management is in demand after saying its third quarter got a lift from surging stock markets and favourable currency movements, sending assets under management up 12.3% during the period.Shares in Laird took a hit on Wednesday after the electronic components maker confirmed recent press speculation that it is considering an equity issue, but they have recovered slightly today.FTSE 250 - RisersYell Group (YELL) 55.60p +13.12%Laird (LRD) 154.50p +6.31%Redrow (RDW) 143.00p +5.69%Meggitt (MGGT) 244.70p +5.47%F&C Asset Management (FCAM) 77.15p +4.97%Aegis Group (AGS) 111.90p +4.19%Chloride Group (CHLD) 168.40p +3.69%CSR (CSR) 447.50p +3.49%Croda International (CRDA) 760.00p +3.40%Informa (INF) 300.00p +3.34%FTSE 250 - FallersAquarius Platinum Ltd. (AQP) 270.30p -3.46%Melrose Resources (MRS) 347.00p -2.94%Ecofin Water & Power Opportunities (ECWO) 149.50p -2.92%Genus (GNS) 659.00p -2.87%Soco International (SIA) 1,343.00p -2.82%Renishaw (RSW) 544.00p -2.60%Shanks Group (SKS) 87.30p -2.46%Vectura Group (VEC) 85.80p -2.39%Northern Foods (NFDS) 62.45p -2.12%Amlin (AML) 354.60p -1.88%