Engineering services provider Lamprell is a big mover today after announcing a new contract award from Singapore company Greatship Global Energy Services.Not far behind is speciality chemicals group Croda International which more than doubled its 2010 pre-tax profits.Also higher are oil prices amid the political unrest in Libya, which is causing some problems for budget airline easyJet and travel firm Thomas Cook. The latter was also pressured lower by a Panmure Gordon downgrade to 'hold', from 'buy'.Media buying agency Aegis says that the insolvency of a former Spanish client could lead to a write-off of £25m, sending shares into the red.Specialist business publisher and group Informa is also unwanted after reporting flat revenues in the year ended 31 December.Heading the other way direction is waste management firm Shanks which is teaming up with Babcock International to work on the Wakefield Waste Management private finance initiative project.FTSE 250 - RisersLamprell (LAM) 300.10p +7.18%Croda International (CRDA) 1,586.00p +6.16%Devro (DVO) 255.00p +4.64%Afren (AFR) 164.90p +3.84%Shanks Group (SKS) 117.40p +3.53%Rentokil Initial (RTO) 94.20p +3.23%Exillon Energy (EXI) 407.00p +3.04%CPP Group (CPP) 298.50p +2.93%Domino Printing Sciences (DNO) 675.50p +2.89%Forth Ports (FPT) 1,485.00p +2.84%FTSE 250 - FallersBrewin Dolphin Holdings (BRW) 174.30p -4.02%easyJet (EZJ) 363.20p -3.66%Renishaw (RSW) 1,564.00p -3.58%Aegis Group (AGS) 141.50p -3.41%Hikma Pharmaceuticals (HIK) 775.00p -3.37%Lancashire Holdings (LRE) 596.00p -3.25%Elementis (ELM) 131.90p -3.23%Kenmare Resources (KMR) 37.75p -3.21%Thomas Cook Group (TCG) 191.80p -3.13%Informa (INF) 435.00p -3.12%