Shares in metals and alloys treatment firm Bodycote rocketed after it said profit surged 68% helped by strong demand at its aerospace and defence unit and robust sales overseas. The group said despite economic headwinds, particularly in Europe, the business would continue to make progress in the coming year.Filtrona was also on the rise having been given the thumbs up from Tempus, which commented that it rose 56% last year and announced a pre-tax profits increase of 17% yesterday. With around £250m in the bank for acquisitions and an ambitious management team, Tempus rates the stock as 'buy'. Cookson, the materials science firm, rose after selling its American precious metals business to Richline, an offshoot of Warren Buffetts's Berkshire Hathaway vehicle. Meanwhile, sitting in the bottom spot was construction, services and property group Kier, which this morning unveiled a 4.6% fall in total revenue for the six months ended December 31st. Following suit was bus and train operator Go-Ahead which posted a 13% drop in half year pre-tax profit and expressed its caution n regards to the wider economic outlook. FTSE 250 - RisersBodycote (BOY) 396.90p +17.77%Filtrona PLC (FLTR) 440.30p +6.35%Informa (INF) 437.70p +4.94%Cookson Group (CKSN) 671.50p +4.92%Cable & Wireless Worldwide (CW.) 27.50p +4.60%Soco International (SIA) 342.10p +3.67%Senior (SNR) 195.20p +3.66%Heritage Oil (HOIL) 191.90p +3.62%Lamprell (LAM) 346.00p +3.53%Renishaw (RSW) 1,497.00p +3.24%FTSE 250 - FallersKier Group (KIE) 1,369.00p -8.06%Go-Ahead Group (GOG) 1,266.00p -4.60%Kesa Electricals (KESA) 78.60p -2.54%Cranswick (CWK) 818.50p -2.39%Ophir Energy (OPHR) 383.00p -2.30%Supergroup (SGP) 567.50p -2.16%National Express Group (NEX) 218.80p -1.93%Talvivaara Mining Company (TALV) 279.40p -1.69%SEGRO (SGRO) 227.90p -1.68%KCOM Group (KCOM) 70.05p -1.68%NR