Home builder Bellway topped the FTSE 250 risers on Thursday advancing nearly six per cent share at the close of trading. This came two days after the company unveiled a sharp rise in profits in the half year ended January 31st 2013. The stock was given a lift today by a ratings upgrade by JPMorgan Cazenove to 'overweight'.Plastic packaging supplier RPC Group was the biggest faller on the FTSE 250 index at the close of trading, with its share price having slipped nearly 12% to 397.70p. In a final pre-close trading statement for the financial year ended March 31st 2013, the group said that revenue for the financial year 2012/13 was expected to be lower than the previous year, largely as a consequence of the strength of sterling versus the euro, in which a significant part of the group's turnover is recorded.Interdealer broker ICAP saw its shares fall one day after a gloomy trading update. UBS cut its target price from 305p to 290p and retained its 'sell' rating for the stock today.FTSE 250 - RisersBellway (BWY) 1,312.00p +5.81%Inmarsat (ISAT) 702.00p +3.54%Marston's (MARS) 141.90p +3.50%Persimmon (PSN) 1,071.00p +3.08%Taylor Wimpey (TW.) 90.95p +3.06%Capital & Counties Properties (CAPC) 272.00p +2.87%SEGRO (SGRO) 255.90p +2.77%Phoenix Group Holdings (DI) (PHNX) 667.00p +2.62%Millennium & Copthorne Hotels (MLC) 568.50p +2.62%Savills (SVS) 545.50p +2.54%FTSE 250 - FallersRPC Group (RPC) 397.70p -11.82%Centamin (DI) (CEY) 50.10p -6.62%African Barrick Gold (ABG) 194.40p -5.91%Tullett Prebon (TLPR) 260.00p -3.67%Kenmare Resources (KMR) 29.00p -3.65%ICAP (IAP) 291.60p -3.54%Perform Group (PER) 465.00p -3.53%SDL (SDL) 395.10p -3.37%Hochschild Mining (HOC) 276.10p -3.22%AZ Electronic Materials SA (DI) (AZEM) 379.60p -2.52%MF