Housebuilders and related stocks including Redrow, Countrywide, Taylor Wimpey and Galliford Try leapt as investors reacted postively to the new Bank of England measures to cool the housing market. Alastair Stewart from Westhouse Securities said that the measures were "less draconian than many observers have feared".bwin.party was higher despite confirming it was not planning to sell or break up the company following recent press speculation. St. Modwen Properties rose after revealing it is set to begin work on the second phase of the retail development at Longbridge in Birmingham after being granted planning permission for a 150,000 square foot Marks & Spencer store and an additional 45,000 sq ft of retail space. Imagination Technologies continued to plunge after Barclays Capital cut its rating from 'equal weight' to 'underweight'. Consumer goods packaging firm DS Smith declined despite saying that full-year pre-tax profit more than doubled to £167m in the 12 months to April 30th, with investors appearing to be more focused on its caution that it anticipates the current "difficult consumer economic environment to remain".Ophir Energy's 50%-owned Okala-1 well did not find significant hydrocarbons in the target areas marking a disappointing end to its 2014 exploration campaign in Gabon.FTSE 250 - RisersSupergroup (SGP) 1,020.00p +7.42%Redrow (RDW) 266.70p +6.17%Countrywide (CWD) 529.00p +5.59%Taylor Wimpey (TW.) 110.10p +5.36%Galliford Try (GFRD) 1,131.00p +5.31%SIG (SHI) 189.20p +5.11%Foxtons Group (FOXT) 279.10p +5.04%CSR (CSR) 578.00p +4.90%Dunelm Group (DNLM) 875.00p +4.79%Tullett Prebon (TLPR) 261.30p +4.60%FTSE 250 - FallersImagination Technologies Group (IMG) 221.40p -6.50%Smith (DS) (SMDS) 290.00p -5.01%Ophir Energy (OPHR) 229.30p -4.66%Perform Group (PER) 238.90p -3.98%Euromoney Institutional Investor (ERM) 1,085.00p -3.56%Oxford Instruments (OXIG) 1,323.00p -2.51%Ladbrokes (LAD) 137.70p -2.27%Cairn Energy (CNE) 198.50p -2.26%Lonmin (LMI) 241.00p -1.75%William Hill (WMH) 323.50p -1.52%NR