Shares in banknote printer De La Rue fell after it said that some of its employees had been deliberately falsifying paper specification test certificates for banknotes.The problems will impact pre-tax profits by at least £35m for the first half of the year, the company said. Shipment of affected banknote paper was immediately stopped and all production is now in line with specifications, it said.A good reception for Sports Direct's first quarter sales has failed to rub off on fellow sports retailer JD Sports Fashion.Legacy software specialist Micro Focus is today's top riser after saying it has appointed former Morse chief executive Mike Phillips as its new Chief Financial Officer.Ashtead is higher after broker Singer Capital said first quarter figures from the equipment rental firm should generate full year earnings estimate upgrades.Animal genetics company Genus moves ahead after it edged up earnings last year despite tough times for farmers and the agricultural sector.FTSE 250 - RisersMicro Focus International Plc (MCRO) 334.50p +5.55%Ashtead Group (AHT) 94.75p +2.99%Genus (GNS) 730.00p +2.67%UK Commercial Property Trust (UKCM) 81.00p +2.14%Tate & Lyle (TATE) 446.90p +1.92%Weir Group (WEIR) 1,307.00p +1.87%Domino's Pizza UK & IRL (DOM) 453.50p +1.57%Sports Direct International (SPD) 115.00p +1.32%International Personal Finance (IPF) 256.90p +1.30%Elementis (ELM) 88.60p +1.26%FTSE 250 - FallersPremier Foods (PFD) 18.75p -5.26%De La Rue (DLAR) 667.00p -5.19%Xchanging (XCH) 129.40p -4.71%Hansen Transmissions International (HSN) 56.95p -3.96%JD Sports Fashion (JD.) 765.00p -3.77%Wellstream Holdings (WSM) 524.00p -3.59%Mothercare (MTC) 530.50p -3.37%Gartmore Group (GRT) 117.50p -3.37%London Stock Exchange Group (LSE) 671.50p -3.31%Dunelm Group (DNLM) 380.30p -3.18%