FTSE 100 movers: ARM leaps after beating market expectations

Cambridge-based computer chip designer ARM Holdings beat market expectations with its second-quarter results, as demand for its intellectual property continues to make it a British technology success story. Outsourcing behemoth Capita advanced after saying it is confident of growing revenue this year and beyond as it takes advantage of a buoyant outsourcing market in the UK public sector. Revenue in the first half was up 15%.Meanwhile, Tullow Oil dropped despite hailing an "excellent" first half. Revenues grew by 10% on the back of increased sales volumes, average production and sustained high oil prices. Pre-tax profits surged by 48% but growth was held back by increased exploration write-offs and higher costs. Utilities group SSE was a heavy faller after going ex-dividend; from today onwards, investors will not have the right to the group's latest dividend payment. Telecoms titan BT dropped after saying that while underlying earnings grew in the first quarter, its corporate customer-focused Global Services unit having a tough time of it in Europe and London's financial district. Shares in speciality chemicals group Johnson Matthey slipped after the firm reported weakness in its precious metals division as a result of lower commodity prices. Drugs giant GlaxoSmithKline fell after it reported flat revenues at constant exchange rates (CER) in the first half, and a decline in turnover in the second quarter as growth from key investments areas was offset by pressure on mature products in Europe and the US. FTSE 100 - RisersARM Holdings (ARM) 526.00p +8.50%Capita (CPI) 710.00p +4.80%Royal Bank of Scotland Group (RBS) 202.90p +3.20%Randgold Resources Ltd. (RRS) 5,580.00p +3.05%RSA Insurance Group (RSA) 110.20p +2.70%Reed Elsevier (REL) 517.50p +2.27%Polymetal International (POLY) 813.00p +2.26%Aberdeen Asset Management (ADN) 253.20p +2.22%WPP (WPP) 807.50p +2.15%Schroders (SDR) 1,291.00p +1.97%FTSE 100 - FallersTullow Oil (TLW) 1,278.00p -6.72%SSE (SSE) 1,295.00p -5.06%BT Group (BT.A) 210.00p -3.40%Johnson Matthey (JMAT) 2,065.00p -2.41%GlaxoSmithKline (GSK) 1,419.50p -1.80%IMI (IMI) 773.00p -1.65%Rolls-Royce Holdings (RR.) 828.00p -1.60%Imperial Tobacco Group (IMT) 2,412.00p -1.51%BG Group (BG.) 1,220.00p -1.29%Reckitt Benckiser Group (RB.) 3,420.00p -1.18%NR