Carillion rose strongly after Cantor Fitzgerald upgraded the stock from 'hold' to 'buy' and increased its target price from 350p to 420p. Evraz rose despite reporting a fall in earnings in what the company described as a 'challenging year for the global steel and mining industry'. On the plus side, the group increased external steel sales by 1% to 15.5m tonnes and substantially grew the output of coking coal by 22% to 18.9m tonnes. Esure Group led care insurance stocks lower after data released by Confused.com and Towers Watson revealed a 7.5% drop in prices. Egyptian gold miner Centamin has maintained its gold guidance for the year despite challenges during the first quarter from lower grades and poor mining fleet availability underground. Total gold production for the quarter was 74,241 ounces, a 14% decrease on the corresponding quarter in 2013 and 19% lower than the fourth quarter of 2013.bwin.party was also in the red after it announced the appointment of a new Chairman and posted a first-quarter revenue decline of 9%.FTSE 250 - RisersCarillion (CLLN) 381.70p +5.91%Evraz (EVR) 82.95p +5.07%Entertainment One Limited (ETO) 321.70p +5.06%Tullett Prebon (TLPR) 317.80p +5.06%Howden Joinery Group (HWDN) 362.20p +4.86%Imagination Technologies Group (IMG) 205.00p +4.70%EnQuest (ENQ) 128.60p +4.47%Booker Group (BOK) 155.40p +4.09%Smith (DS) (SMDS) 310.00p +4.03%ITE Group (ITE) 198.00p +3.88%FTSE 250 - Fallersesure Group (ESUR) 247.40p -7.58%Berendsen (BRSN) 1,036.00p -4.16%Centamin (DI) (CEY) 51.70p -3.00%Polymetal International (POLY) 617.00p -2.68%Direct Line Insurance Group (DLG) 232.90p -2.47%BBA Aviation (BBA) 325.10p -2.31%Heritage Oil (HOIL) 239.00p -2.17%Bodycote (BOY) 777.50p -2.08%Intu Properties (INTU) 289.40p -1.46%KCOM Group (KCOM) 101.40p -1.46%NR