An upgrade from Cazenove has given shares in the newspaper publisher Trinity Mirror a lift.Pointing to encouraging advertising trends, the broker upgraded its rating on Trinity, which publishes the Mirror and a host of local titles to 'outperform' from 'in-line'.Elsewhere in media, business publisher Euromoney is going well after it said it expects to announce forecast beating pre-tax profits in the year ended 30 September.Housebuilders are on the back foot for the third day in a row after Barratt and Redrow announced fundraising plans on Wednesday. Barratt is down 5%, joined in the bottom 10 by peers Bellway and Persimmon.Pub group Mitchells and Butlers is lacking fizz again despite the O' Neills owner saying yesterday that earnings for the current year to be slightly above current market estimates thanks to its improved sales performance. FTSE 250 - RisersTrinity Mirror (TNI) 161.80p +9.62%Euromoney Institutional Investor (ERM) 333.00p +9.54%PayPoint (PAY) 474.10p +4.20%Ecofin Water & Power Opportunities (ECWO) 150.00p +4.17%ARM Holdings (ARM) 141.30p +3.37%Premier Oil (PMO) 1,191.00p +3.21%Ashtead Group (AHT) 85.00p +3.03%Fidelity Special Values (FSV) 559.50p +2.85%Brewin Dolphin (BRW) 158.90p +2.71%Soco International (SIA) 1,405.00p +2.33%FTSE 250 - FallersDSG International (DSGI) 26.35p -5.89%Barratt Developments (BDEV) 248.90p -5.04%Dana Petroleum (DNX) 1,352.00p -4.99%Mitchells & Butlers (MAB) 262.90p -4.26%Bellway (BWY) 808.00p -3.00%WH Smith (SMWH) 447.90p -2.74%Persimmon (PSN) 452.00p -2.73%Cookson Group (CKSN) 409.50p -2.69%Shaftesbury (SHB) 347.00p -2.53%Great Portland Estates (GPOR) 264.70p -2.50%