Defence tech group Chemring was on the rise after presenting its full-year results. While the company recorded a sharp drop in profits, they were in line with expectations which 'counts as a positive given the recent history', according to analysts at Investec. Transport firm FirstGroup rose after it said third quarter trading at the group, excluding the one-off effect of Hurricane Sandy, was in line with company expectations. Budget airline easyJet was flying high after total revenue jumped 9.2% to £833m in the first quarter. CEO Carolyn McCall said: "easyJet has made a strong start to the year due to a combination of management action, competitor capacity reductions and the benign operating environment." Drinks group A.G. Barr rose after saying that sales in the final quarter of the year are expected to rise 5%, with full-year sales up 7%. High Street betting shop Ladbrokes impressed with its acquisition of Global Betting Exchange Alderney (GBEA) for €30m, which will see it get its hands on the Betdaq exchange, accelerating the firm's strategy to grow digital revenues through technology investment. Interdealer broker ICAP fell after it confirmed that one of its subsidiaries has become subject to an Financial Services Authority (FSA) investigation, but refused to make any further comment, saying that it is 'confidential'.Tech stock Laird was lower as investors became uneasy following Apple's disappointing quarterly results for the final three months of 2012. Revenues came in at a record $54.5bn, but were less than the $55bn forecast by Wall Street. FTSE 250 - RisersBwin.party Digital Entertainment (BPTY) 113.80p +12.34%FirstGroup (FGP) 203.70p +6.09%Chemring Group (CHG) 299.50p +6.02%Heritage Oil (HOIL) 205.70p +5.65%easyJet (EZJ) 899.50p +5.20%Barr (A.G.) (BAG) 547.00p +5.19%London & Stamford Property (LSP) 115.00p +4.55%Euromoney Institutional Investor (ERM) 948.50p +4.12%Britvic (BVIC) 447.80p +4.12%Ladbrokes (LAD) 206.90p +3.76%FTSE 250 - FallersLaird (LRD) 223.90p -3.32%ICAP (IAP) 316.50p -3.24%Enterprise Inns (ETI) 94.00p -2.08%Betfair Group (BET) 669.50p -2.05%Tullett Prebon (TLPR) 247.90p -1.98%Hochschild Mining (HOC) 436.00p -1.62%Imagination Technologies Group (IMG) 457.10p -1.51%Afren (AFR) 149.80p -1.45%Daejan Holdings (DJAN) 2,963.00p -1.23%Raven Russia Ltd (RUS) 63.80p -1.16%NR