Shares in budget airline easyJet were higher after UBS raised its rating to 'buy' after yesterday's better-than-expected first-quarter results. The broker said that growth is gaining momentum with the company 'becoming more positive on 1H performance'. United Drug was higher, despite Investec initiating its coverage of healthcare services provide with a 'sell' rating and 240p target price, labelling the group's recent share price rise as 'artificial'.Afren shares dropped as market chatter about the stock subsided. Speculators had been saying that Chinese oil company Sinopec might possible make a move for the group. FTSE 250 - RisersEnterprise Inns (ETI) 101.30p +6.63%easyJet (EZJ) 945.00p +5.18%United Drug (UDG) 276.40p +4.30%Synthomer (SYNT) 201.70p +3.70%Spirent Communications (SPT) 155.40p +2.91%Booker Group (BOK) 106.10p +2.91%WH Smith (SMWH) 673.00p +2.75%UBM (UBM) 764.50p +2.69%Renishaw (RSW) 1,945.00p +2.69%Daejan Holdings (DJAN) 3,075.00p +2.53%FTSE 250 - FallersAfren (AFR) 140.10p -7.46%Petropavlovsk (POG) 369.80p -4.96%ITE Group (ITE) 263.00p -3.80%Hochschild Mining (HOC) 425.00p -3.10%PayPoint (PAY) 836.50p -2.73%London & Stamford Property (LSP) 114.00p -2.65%Euromoney Institutional Investor (ERM) 930.50p -2.21%Ultra Electronics Holdings (ULE) 1,634.00p -1.86%Ophir Energy (OPHR) 540.50p -1.82%RIT Capital Partners (RCP) 1,175.00p -1.59%NR