Travis Perkins is the best performer in the FTSE 250, adding to recent gains, after the buildings materials supplier posted a 27% drop in half year pre-tax profit but in recent months has has seen evidence that some of its markets are beginning to stabilise.Engineer Charter saw profits slump 62% in the first half as revenues fell while other costs also weighed, but the company is one of the top risers in the mid-cap index after lifting revenues and expressing optimism for the future.Northumbrian Water will raise its full-year dividend by 6% after increased water and sewerage charges helped the group maintain revenues at previous levels.Shares in United Business Media are lower ahead of tomorrow's results.FTSE 250 - RisersTravis Perkins (TPK) 760.00p +8.57%SIG (SHI) 121.25p +8.26%Morgan Crucible (MGCR) 126.25p +6.09%Charter International (CHTR) 529.50p +5.69%Moneysupermarket.com (MONY) 67.25p +5.49%Logica (LOG) 93.75p +5.34%Rightmove (RMV) 422.75p +4.77%Dunedin Income Growth Inv Trust (DIG) 162.75p +3.99%Shaftesbury (SHB) 326.50p +3.82%Renishaw (RSW) 394.50p +3.82%FTSE 250 - FallersRPS Group (RPS) 186.25p -8.59%Novae Group (NVA) 305.00p -4.76%Northumbrian Water Group (NWG) 231.00p -3.65%United Business Media (UBM) 372.25p -3.56%Rank Group (RNK) 65.50p -3.32%CSR (CSR) 396.75p -3.17%Goldman Sachs Dynamic Opportunities GBP Shares (GSDO) 72.00p -2.70%Mouchel Group (MCHL) 158.50p -2.46%Daejan Holdings (DJAN) 2,051.00p -2.24%National Express Group (NEX) 333.75p -1.77%