ARM Holdings sits atop the leader board after RBS reiterated its "buy" status, a view contradicted by JPMorgan, who have set a 220 target share price for the firm, with the recommendation that clients be underweight in the stock. Imperial Tobacco was down as investors sold off typically safe stocks, which also included United Utilities Group and National Grid, as confidence grew on the promise of steps to resolve the European debt crisis. Oil stocks were moving up, driving the index higher as investors turned towards riskier stocks. FTSE 100 - RisersARM Holdings (ARM) 577.00p +4.06%Anglo American (AAL) 2,415.00p +3.65%Schroders (Non-Voting) (SDRC) 1,131.00p +3.29%Rio Tinto (RIO) 3,266.50p +3.24%Old Mutual (OML) 111.20p +3.15%Amec (AMEC) 855.50p +3.07%Burberry Group (BRBY) 1,277.00p +2.98%Schroders (SDR) 1,351.00p +2.74%Prudential (PRU) 605.00p +2.63%Kazakhmys (KAZ) 880.00p +2.62%FTSE 100 - FallersCompass Group (CPG) 528.50p -1.21%Imperial Tobacco Group (IMT) 2,152.00p -1.15%United Utilities Group (UU.) 617.50p -1.12%SSE (SSE) 1,331.00p -1.11%British Land Co (BLND) 505.00p -0.98%Land Securities Group (LAND) 686.50p -0.94%Centrica (CNA) 306.00p -0.87%National Grid (NG.) 644.00p -0.85%Experian (EXPN) 742.50p -0.80%International Power (IPR) 326.00p -0.61%NR