Shares in gold miner Randgold Resources sank into the bottom spot on the back of reports of a military coup in Mali, the country where two of its three main projects are located.According to media reports, rebel troops have taken over Malian state radio and television and have announced that they have seized control of the country. Sector peers Fresnillo and Vedanta were both also seen taking a plunge as a result of gloomy Chinese manufacturing data out. Meanwhile, DIY retailer Kingfisher was leading the risers after its 'Delivering Value' initiative did what it says on the tin, with the full year dividend up by a quarter.The group announced a 23.8% increase in the final dividend to 6.37p from 5.145p the year before, meaning the total payment in respect of the year to January 31st was up 25.0% to 8.84p from 7.07p the year before, ahead of market expectations of 8.44p. Pharmaceuticals titan GlaxoSmithKline was up after having confirmed that it will invest £500m in the UK to build a new factory and create 1,000 new jobs. The announcement follows the Chancellor of the Exchequer's announcement that he wanted to encourage investment in R&D and manufacturing by reducing the rate of corporation tax. Alongside other utility stocks, United Utilities was higher on the back of the Chancellor's announcment that the planned sequence of cuts in corporation tax would be accelerated. Nomura thinks this should be a "small positive for UK utilities paying majority UK corporation tax". FTSE 100 - RisersKingfisher (KGF) 311.00p +3.67%International Consolidated Airlines Group SA (IAG) 176.90p +2.08%Vodafone Group (VOD) 174.30p +1.75%United Utilities Group (UU.) 619.00p +1.48%Sage Group (SGE) 295.40p +1.44%Aberdeen Asset Management (ADN) 249.90p +1.13%ITV (ITV) 88.10p +1.09%Intertek Group (ITRK) 2,527.00p +1.08%Rexam (REX) 427.70p +1.06%BT Group (BT.A) 219.80p +1.01%FTSE 100 - FallersRandgold Resources Ltd. (RRS) 6,030.00p -8.57%Fresnillo (FRES) 1,640.00p -5.58%Vedanta Resources (VED) 1,294.00p -4.29%Polymetal International (POLY) 937.50p -3.15%Amec (AMEC) 1,109.00p -2.97%Glencore International (GLEN) 403.90p -2.85%Antofagasta (ANTO) 1,159.00p -2.77%Xstrata (XTA) 1,111.50p -2.67%Rio Tinto (RIO) 3,349.00p -2.53%Royal Bank of Scotland Group (RBS) 27.80p -2.52%NR