Oil explorer Soco falls back on some disappointing drilling news. It has plugged and abandoned its first wildcat exploration drilling well at Nganga 1 ("NGA-1") in the Nganzi Block, onshore the Democratic Republic of Congo, after hitting water.Shares in McBride have fallen back slightly after good gains yesterday when the maker of household products for supermarkets to sell under their own names, shrugged off the challenge from promotions of branded products to post a sharp rise in profits in the year to June 30.FTSE 250 - RisersLamprell (LAM) 300.20p +12.18%Premier Foods (PFD) 19.25p +11.14%SThree (STHR) 274.10p +5.18%COLT Group S.A. (COLT) 119.70p +4.27%Ferrexpo (FXPO) 318.60p +4.12%DSG International (DSGI) 26.15p +3.81%Game Group (GMG) 72.00p +3.75%Sports Direct International (SPD) 113.00p +3.57%Talvivaara Mining Company (TALV) 441.10p +3.42%Hansteen Holdings (HSTN) 65.15p +3.25%FTSE 250 - FallersConnaught (CNT) 16.80p -11.21%Soco International (SIA) 435.60p -8.60%Yell Group (YELL) 16.83p -5.40%SDL International (SDL) 554.50p -3.57%Hunting (HTG) 618.00p -2.98%Mcbride (MCB) 155.70p -2.69%Xchanging (XCH) 135.30p -2.59%IG Group Holdings (IGG) 509.50p -2.58%Dunelm Group (DNLM) 386.30p -2.57%Domino's Pizza UK & IRL (DOM) 440.00p -2.29%