No-frills airline easyJet has raised full-year profits guidance, paving the way for a bumper special dividend, a move which sent the share price to the top of the FTSE 250 leaderboard. It wasn't all good news, however, as the firm warned its 2012 fuel bill will increase by around £220m compared to the prior year. Betfair saw its share price dive almost 10% after speculation that company chairman Ed Wray could be the next in a growing line of senior managers who have quit the company. Wray has confirmed he will step down from his position, but did not say if he will retain a position on the board along with his 10% stake in the business. The search is underway for a deputy chairman who will ultimately replace Wray when he steps down from the top position.FTSE 250 - RiserseasyJet (EZJ) 343.50p +10.10%Kier Group (KIE) 1,264.00p +1.94%JD Sports Fashion (JD.) 843.00p +1.51%BH Global Ltd. GBP Shares (BHGG) 1,199.00p +1.44%BH Global Ltd. USD Shares (BHGU) 11.85 +1.20%De La Rue (DLAR) 796.50p +0.82%BH Macro Ltd. GBP Shares (BHMG) 1,990.00p +0.71%Computacenter (CCC) 385.00p +0.65%SDL (SDL) 618.50p +0.49%BH Macro Ltd. EUR Shares (BHME) € 19.30 +0.47%FTSE 250 - FallersFerrexpo (FXPO) 319.10p -10.49%Betfair Group (BET) 708.00p -9.58%Aquarius Platinum Ltd. (AQP) 202.30p -9.28%Kenmare Resources (KMR) 39.93p -9.02%Premier Foods (PFD) 11.65p -8.12%Morgan Crucible Co (MGCR) 235.70p -8.00%Petropavlovsk (POG) 734.00p -7.96%Misys (MSY) 226.70p -7.85%New World Resources A Shares (NWR) 490.00p -7.81%Cookson Group (CKSN) 430.40p -7.50%NR