Chemicals group Synthomer cheered investors with a 25% jump in the interim dividend, which came despite a drop in half-year sales amid challenging market conditions. The company also said it anticipated delivering underlying full-year profit in line with last year's figure of £90.1m. Balfour Beatty was also in positive territory after it reject another bid from Carillion, delivered an in line set of half-year results and revealed the sale of Parsons Brinckerhoff was progressing as anticipated. Private-equity investor SVG Capital rose after it said net asset value (NAV) expanded in the first half of 2014, but reported a big drop in profits. NAV per share totalled 535p by 30 June, up 4% from the start of the year.Drax was extending losses made last week after losing its appeal over its eligibility for a government contract. UBS said on Monday that the news "has reduced the potential valuation upside for Drax" as it downgraded the stock from 'buy' to 'neutral', while reducing its target price from 800p to 680p. Fidessa was also in the red as it retreated from Friday's gains, which last week had its 'overweight' rating reiterated by Barclays following its half-year report released on the Monday. FTSE 250 - RisersSynthomer (SYNT) 224.60p +8.03%Just Eat (JE.) 222.90p +6.19%Ocado Group (OCDO) 344.90p +4.55%Ferrexpo (FXPO) 134.20p +4.27%Michael Page International (MPI) 452.40p +4.24%Enterprise Inns (ETI) 118.70p +4.12%BTG (BTG) 604.00p +3.96%Hays (HAS) 121.90p +3.92%Amec (AMEC) 1,108.00p +3.65%Telecity Group (TCY) 752.00p +3.51%FTSE 250 - FallersDrax Group (DRX) 639.50p -1.77%Fidessa Group (FDSA) 2,171.00p -1.09%COLT Group SA (COLT) 135.50p -1.02%BH Macro Ltd. GBP Shares (BHMG) 1,955.00p -0.96%NMC Health (NMC) 470.60p -0.93%Betfair Group (BET) 1,061.00p -0.84%Bank of Georgia Holdings (BGEO) 2,466.00p -0.84%Petra Diamonds Ltd.(DI) (PDL) 191.00p -0.78%BH Global Ltd. GBP Shares (BHGG) 1,200.00p -0.74%Xaar (XAR) 542.50p -0.73%RN