Bingo, casino and online gaming company Rank Group has made a conditional agreement to acquire Gala Casinos from Gala Coral Group, making it the largest casino operator in the UK. The £205m acquisition, which includes 23 casinos in the UK, is to be funded by new three-year bank facilities totalling £175m, together with existing bank facilities. Meanwhile, Essar Energy found itself in the bottom 10 after announcing that its 87.09%-owned Indian oil subsidiary, Essar Oil, saw a sharp drop in earnings in the year to March 31st due to the reversal of a sales tax benefits and a planned plant shutdown. FTSE 250 - RisersRank Group (RNK) 122.20p +4.71%Invensys (ISYS) 212.00p +4.69%Spirit Pub Company (SPRT) 56.00p +2.75%Phoenix Group Holdings (DI) (PHNX) 497.50p +1.68%Salamander Energy (SMDR) 173.80p +1.11%Dunelm Group (DNLM) 519.50p +1.07%Euromoney Institutional Investor (ERM) 772.00p +0.92%Bumi (BUMI) 424.90p +0.88%De La Rue (DLAR) 1,001.00p +0.86%Kier Group (KIE) 1,183.00p +0.85%FTSE 250 - FallersMoneysupermarket.com Group (MONY) 116.90p -7.59%Aquarius Platinum Ltd. (AQP) 101.40p -6.46%Ophir Energy (OPHR) 502.50p -6.25%Talvivaara Mining Company (TALV) 155.70p -6.09%Exillon Energy (EXI) 110.50p -5.72%Petropavlovsk (POG) 408.20p -5.29%Logica (LOG) 70.05p -5.27%Imagination Technologies Group (IMG) 585.00p -5.11%Cape (CIU) 343.10p -4.96%Essar Energy (ESSR) 125.50p -4.85%NR