National Express sped higher despite the rail and bus group losing itschairman John Devaney to defence and aerospace group Cobham.Shares in Petropavlovsk are lower. A day after it said it was resuming dividend payouts the Russia-focused miner has launched a $300m bond issue.Finance stocks have been spooked by US president Obama's plans to impose a tough series of measures to clamp down on risk taking in the financial sector.Inter-dealer broker Tullett Prebon and specialist mortgage lender Paragon fall back.FTSE 250 - RisersPartyGaming (PRTY) 285.50p +6.21%888 Holdings (888) 116.00p +4.41%Enterprise Inns (ETI) 117.50p +3.52%Aquarius Platinum Ltd. (AQP) 392.00p +3.10%Ferrexpo (FXPO) 219.00p +2.87%Hikma Pharmaceuticals (HIK) 562.50p +2.65%Dechra Pharmaceuticals (DPH) 474.80p +2.59%Salamander Energy (SMDR) 277.10p +2.40%National Express Group (NEX) 206.80p +2.38%Big Yellow Group (BYG) 326.50p +2.38%FTSE 250 - FallersTullett Prebon (TLPR) 310.10p -6.00%Petropavlovsk (POG) 981.00p -5.76%Paragon Group Of Companies (PAG) 123.70p -4.26%Intermediate Capital Group (ICP) 266.30p -4.21%Yell Group (YELL) 36.14p -4.06%Unite Group (UTG) 278.30p -4.03%Grainger (GRI) 134.80p -3.92%Cranswick (CWK) 726.00p -3.84%BSS Group (BTSM) 273.00p -3.70%John Wood Group (WG.) 336.60p -3.64%