Engineer Tomkins has cut its dividend after it swung to a half year loss, but the firm says the rate of deterioration has slowed and its shares are higher.Conversely, shares in Interserve fall back after the services, maintenance and building group was named preferred bidder for a £60m Thames Water Utilities contract covering the creation of new facilities and upgrade works at the Riverside Sludge Digestion plant. Iron ore group Ferrexpo is higher in line with buoyant metals prices. FTSE 250 - RisersTomkins (TOMK) 190.60p +7.50%Filtrona PLC (FLTR) 143.40p +7.42%Meggitt (MGGT) 208.40p +7.37%Ferrexpo (FXPO) 172.60p +7.07%Domino Printing (DNO) 286.90p +6.81%Cookson Group (CKSN) 397.70p +6.42%Inchcape (INCH) 28.97p +6.12%TR Property Inv Trust Sigma Shares (TRYS) 66.75p +5.70%Redrow (RDW) 201.00p +5.02%GKN (GKN) 114.90p +4.84%FTSE 250 - FallersJD Wetherspoon (JDW) 454.20p -4.58%DSG International (DSGI) 29.24p -2.11%PartyGaming (PRTY) 258.40p -2.08%Interserve (IRV) 235.50p -2.00%AG Barr (BAG) 1,322.00p -1.64%Close Brothers Group (CBG) 738.50p -1.47%ARM Holdings (ARM) 122.90p -1.36%Soco International (SIA) 1,350.00p -1.32%Provident Financial (PFG) 824.50p -1.32%Hikma Pharmaceuticals (HIK) 468.90p -1.28%