Electrical retailer Dixons surged today, one day after beating first-half forecasts, after its CEO Sebastian James said expressed optimism that his company can benefit from Comet's demise.James said that its Curry and PC World divisions haven't seen "much disruption" from the fire sale by bankrupt rival Comet. He expects the group to take a bigger market share when hundreds of Comet stores close.Exane BNP Paribas upgraded the stock to 'neutral' today and lifted its target price for the shares from 15p to 25p. The stock has now gained 35% over the past month, up a whopping 185% over the year to date.House builders Taylor Wimpey and Bellway were lifted higher today after UBS upgraded both stocks to 'buy' as part of its review of the sector. The broker reiterated 'buys' for sector peers Barratt Developments, Berkeley and Persimmon, saying that the macro environment potentially could be "more favourable" next year.Coal and coke producer New World Resources was subdued after announcing that a 23-year-old worker died at its CSM Mine in the Czech Republic yesterday. FTSE 250 - RisersDixons Retail (DXNS) 27.70p +7.53%Man Group (EMG) 80.05p +4.57%Invensys (ISYS) 317.40p +4.07%Taylor Wimpey (TW.) 61.40p +3.63%Hunting (HTG) 819.50p +3.15%SEGRO (SGRO) 239.30p +2.44%Soco International (SIA) 365.00p +2.41%Supergroup (SGP) 624.00p +2.21%JD Sports Fashion (JD.) 727.50p +2.18%Bodycote (BOY) 412.30p +2.18%FTSE 250 - FallersCSR (CSR) 336.40p -7.81%Lonmin (LMI) 258.30p -4.90%Stobart Group Ltd. (STOB) 100.20p -2.81%Perform Group (PER) 380.20p -2.31%Devro (DVO) 306.40p -2.08%Shanks Group (SKS) 79.30p -1.98%Ruspetro (RPO) 84.35p -1.92%Dunelm Group (DNLM) 615.00p -1.91%Menzies(John) (MNZS) 589.50p -1.83%Domino's Pizza Group (DOM) 510.00p -1.73%BC