Silicon wafers supplier PV Crystalox Solar is higher after saying it is confident of a "robust" performance in the second half despite reporting a 57% slump in earnings for the first six months of 2009.James Fisher is buoyant again after the marine services group yesterday said it has bought MB Faber, which provides specialist electrical and engineering services to the nuclear and aerospace industries, for up to £5.25m in cash.With metals prices slipping back, nickel miner Talvivaara and platinum firm Aquarius are on the back foot.FTSE 250 - RisersSVG Capital (SVI) 137.00p +5.30%Filtrona PLC (FLTR) 141.10p +3.98%IMI (IMI) 382.30p +3.02%PV Crystalox Solar (PVCS) 85.25p +2.77%Euromoney Institutional Investor (ERM) 260.00p +2.36%International Public Partnerships Ltd. (INPP) 104.90p +2.34%Fisher (James) & Sons (FSJ) 509.00p +2.29%BlueBay Asset Management (BBAY) 251.90p +2.27%TR Property Inv Trust Sigma Shares (TRYS) 68.45p +2.16%Impax Environmental Markets (IEM) 99.15p +2.11%FTSE 250 - FallersEnterprise Inns (ETI) 148.10p -4.20%Punch Taverns (PUB) 101.10p -4.17%Brewin Dolphin (BRW) 138.00p -3.70%Big Yellow Group (BYG) 362.20p -3.41%Aberdeen Asset Management (ADN) 126.90p -3.13%Aquarius Platinum Ltd. (AQP) 253.80p -2.91%SEGRO (SGRO) 332.40p -2.84%Shaftesbury (SHB) 358.10p -2.82%Mcbride (MCB) 139.10p -2.73%Talvivaara Mining Company (TALV) 389.40p -2.65%