The man tasked with turning around the fortunes of Premier Foods will begin work two weeks early, a move which saw the group's share price soar more than 9%. The manufacturer of household brands such as Hovis Bread, Branston Pickle and Sharwoods announced in July that Mike Clarke would take over from the current chief executive Robert Schofield. TUI Travel took a tumble just one day after it said it is on track to meet full-year expectations after operating profits surged in the group's third quarter.The package tour firm saw a 13% increase in revenue and a 57% increase in operating profit for its third quarter (to June 30) compared to 2010, but still has an underlying operating loss of £219m (2010: £266m). FTSE 250 - RisersPremier Foods (PFD) 14.25p +9.20%Anglo Pacific Group (APF) 276.00p +7.35%SVG Capital (SVI) 244.30p +7.15%Jupiter Fund Management (JUP) 202.20p +7.15%Aquarius Platinum Ltd. (AQP) 228.20p +5.21%Mondi (MNDI) 515.00p +4.99%Genus (GNS) 891.50p +4.45%Daejan Holdings (DJAN) 2,380.00p +4.29%DS Smith (SMDS) 189.60p +4.29%Electra Private Equity (ELTA) 1,475.00p +4.24%FTSE 250 - FallersTaylor Wimpey (TW.) 31.44p -3.38%Halma (HLMA) 349.00p -3.11%Ocado Group (OCDO) 129.80p -2.77%Ladbrokes (LAD) 121.90p -2.25%Mitie Group (MTO) 209.40p -2.24%Moneysupermarket.com Group (MONY) 100.70p -2.23%TUI Travel (TT.) 160.70p -2.19%Barratt Developments (BDEV) 78.05p -2.13%Redrow (RDW) 109.20p -2.06%Enterprise Inns (ETI) 38.21p -2.03%NR