A rise in gold futures helped lift African Barrick Gold.N+1 Singer gave Genus a lift to 'buy' from 'hold' and increased its target price from 1,000p to 1,287p.Greene King was knocked lower by Numis which lowered its rating on the stock from 'buy' to 'add'.Restaurant Group was also in the red after going ex-dividend.FTSE 250 - RisersAfrican Barrick Gold (ABG) 240.60p +4.75%Poundland Group (PLND) 326.90p +3.12%Genus (GNS) 1,148.00p +2.96%Ophir Energy (OPHR) 230.60p +2.72%Tullett Prebon (TLPR) 277.10p +2.59%Ted Baker (TED) 1,810.00p +2.03%BH Macro Ltd. GBP Shares (BHMG) 2,004.00p +1.98%Domino Printing Sciences (DNO) 594.50p +1.89%Pets at Home Group (PETS) 178.20p +1.83%BH Global Ltd. GBP Shares (BHGG) 1,208.00p +1.60%FTSE 250 - FallersGreene King (GNK) 799.00p -3.91%Xaar (XAR) 411.60p -3.49%Fidessa Group (FDSA) 2,216.00p -3.44%Restaurant Group (RTN) 627.50p -2.86%Bank of Georgia Holdings (BGEO) 2,455.00p -2.73%Grainger (GRI) 194.60p -2.46%RPS Group (RPS) 279.30p -2.44%Mitchells & Butlers (MAB) 403.00p -2.37%SIG (SHI) 182.40p -2.36%Dairy Crest Group (DCG) 401.90p -2.17%