Trendy fashion retailer SuperGroup's shares rocketed on Wednesday in London after profits surged in the year ended 1 May. The group, famous for the Superdry brand, soared more than 19% and was the top performer on the FTSE 250 index. Also, engineering firm Morgan Crucible added more than 10% to its market value after saying positive sales momentum had continued since its last trading update in May. Morgan Crucible's investors rejoiced as the company said it experienced a broad recovery across its markets. In contrast, FirstGroup and chemicals firm AZ Electronic Materials Group weighed on the index. FTSE 250 - RisersSupergroup (SGP) 1,048.00p +19.43%Morgan Crucible Co (MGCR) 354.10p +10.69%Cable & Wireless Worldwide (CW.) 49.00p +9.47%African Barrick Gold (ABG) 451.60p +6.06%Centamin Egypt Ltd. (CEY) 128.10p +5.00%Betfair Group (BET) 710.50p +4.95%Ferrexpo (FXPO) 472.30p +4.63%Aquarius Platinum Ltd. (AQP) 313.10p +4.12%Petropavlovsk (POG) 795.00p +3.92%Lamprell (LAM) 380.50p +3.59%FTSE 250 - FallersAZ Electronic Materials SA (WI) (AZEM) 287.50p -4.80%FirstGroup (FGP) 339.90p -3.71%Intermediate Capital Group (ICP) 302.00p -3.39%Unite Group (UTG) 212.50p -3.06%Thomas Cook Group (TCG) 85.25p -2.96%Anglo Pacific Group (APF) 313.00p -2.95%RPC Group (RPC) 357.00p -2.75%Micro Focus International Plc (MCRO) 327.60p -2.64%Euromoney Institutional Investor (ERM) 628.50p -2.56%Gem Diamonds Ltd. (DI) (GEMD) 241.10p -2.39%