Investors are focusing on the positives from electronic components distributor Premier Farnell's statement today. The firm saw first quarter profit slump 63% as the poor market trends it experienced in the fourth quarter persisted but said its year on year sales performance in April and May showed an improvement over March.Premier Farnell is the only mid-cap stock issuing results today. Precious metals miner Hochschild moves up amid speculation the weak dollar will boost the gold price.Electrical retailer DSG International, which owns Currys and PC World, is going well after its peer Argos and Homebase owner Home Retail Group said both stores enjoyed better than expected sales in the quarter and grew market share. FTSE 250 - RisersTalvivaara Mining Company (TALV) 411.25p +5.65%Premier Farnell (PFL) 136.00p +5.43%Hochschild Mining (HOC) 309.50p +5.36%3i Infrastructure (3IN) 92.00p +4.55%Tomkins (TOMK) 161.00p +4.38%Cookson Group (CKSN) 291.00p +3.93%Wellstream Holdings (WSM) 544.50p +3.62%BlueBay Asset Management (BBAY) 194.00p +3.19%Filtrona PLC (FLTR) 126.00p +3.07%DSG International (DSGI) 27.00p +2.86%FTSE 250 - FallersFisher (James) & Sons (FSJ) 428.00p -4.68%Goldman Sachs Dynamic Opportunities GBP Shares (GSDO) 70.00p -4.11%PayPoint (PAY) 517.00p -3.36%Melrose Resources (MRS) 274.50p -2.66%SVG Capital (SVI) 122.75p -2.58%Robert Wiseman (RWD) 360.25p -2.57%Regus (RGU) 67.50p -2.17%Xchanging (XCH) 169.00p -2.17%888 Holdings (888) 113.00p -2.16%Fidessa (FDSA) 1,040.00p -2.16%