The lower than feared rise in CGT was good news for housebuilders, which were also heartened that an immediate rise in CGT means there won't be a rush to sell houses as homeowners seek to take advantage of the current rate.Barratt, Persimmon, Taylor Wimpey and Redrow are among the stocks posting gains.The rise in VAT to 20% from 17.5% - due to come in on January 4 - has failed to dent retailers' share prices. Sports chains JD Sports Fashion and Sports Direct are going well.Among the fallers, Chemring is on the defensive despite strong results.The UK military decoy flares and mine detection firm increased underlying profit in the first half by 7% and has named the successor to chairman Ken Scobie who retires in October after 13 years.Oil group Premier Oil falls back in line with the lower crude price.FTSE 250 - RisersBrown (N.) Group (BWNG) 279.00p +6.20%Barratt Developments (BDEV) 108.90p +4.91%JD Sports Fashion (JD.) 716.00p +4.83%Daejan Holdings (DJAN) 2,389.00p +3.82%Persimmon (PSN) 385.00p +3.63%Unite Group (UTG) 196.60p +3.20%Redrow (RDW) 127.00p +3.17%Taylor Wimpey (TW.) 32.50p +3.17%Sports Direct International (SPD) 114.40p +3.16%Ladbrokes (LAD) 140.10p +3.01%FTSE 250 - FallersChemring Group (CHG) 3,077.00p -7.04%Domino Printing (DNO) 433.30p -6.13%PZ Cussons (PZC) 309.90p -4.38%Tullett Prebon (TLPR) 338.00p -4.06%Eaga (EAGA) 122.60p -3.99%Lamprell (LAM) 231.60p -3.98%Cookson Group (CKSN) 462.50p -3.77%Hays (HAS) 96.60p -3.50%John Wood Group (WG.) 321.40p -3.43%Premier Oil (PMO) 1,195.00p -3.40%