Supergroup shares were boosted by Investec, which initated its coverage of the stock with a target price of 843p and a buy recommendation. Pennon Group was rising on news that Abu Dhabi Investment Authority is reportedly considering a bid for the company's South West Water. Ashtead Group got a boost after Credit Suisse raised its target price on the stock from 545p to 850p, while leaving its outperform rating unchanged. Meanwhile, Ocado moved lower after HSBC reduced their rating on the stock from neutral to underweight. FTSE 250 - RisersSupergroup (SGP) 639.00p +5.53%Pennon Group (PNN) 657.00p +5.12%SDL (SDL) 406.30p +4.18%Ashtead Group (AHT) 633.50p +4.02%888 Holdings (888) 173.90p +2.72%Man Group (EMG) 90.90p +2.65%Oxford Instruments (OXIG) 1,708.00p +2.52%Pace (PIC) 246.50p +2.24%IP Group (IPO) 150.60p +2.03%United Drug (UDG) 281.00p +1.81%FTSE 250 - FallersOcado Group (OCDO) 147.20p -7.65%Centamin (DI) (CEY) 46.08p -7.19%Kazakhmys (KAZ) 345.90p -6.39%Domino's Pizza Group (DOM) 581.50p -6.13%Kenmare Resources (KMR) 27.65p -4.66%Alent (ALNT) 363.50p -3.91%Interserve (IRV) 490.90p -3.84%Phoenix Group Holdings (DI) (PHNX) 662.00p -3.50%Mondi (MNDI) 879.00p -3.25%Lonmin (LMI) 277.50p -3.24%NR