British outsourcing group Serco was the strongest riser after revealing that full year revenue rose 5.7 per cent to 4.9bn pounds, underpinned by a strong performance in international markets. International energy services company Wood Group rose after it posted a 20% rise in revenue from continuing operations in its full year ended December 31st, boosted by growth in all three divisions. Xstrata was a strong riser after its net income came in ahead of analyst expectatons and despite the results being less-than-impressive. Meggitt, the global engineering group, was also heading higher after it posted an upbeat set of results for 2012, with revenue and profit up, net debt lower, and a 12 per cent increase in the dividend.Meawhile, defensive stocks, including Centrica and SSE, were sitting in the red, as a riskier appetite pushed the market higher. Intu Properties was one of the day's weaker performers after Bank of America gave it a less-than-glowing report, although it did upgrade the company to neutral from sell.FTSE 100 - RisersSerco Group (SRP) 627.00p +8.29%Wood Group (John) (WG.) 817.50p +7.85%Xstrata (XTA) 1,162.50p +5.73%Glencore International (GLEN) 387.75p +4.81%Rio Tinto (RIO) 3,439.50p +3.72%GKN (GKN) 285.90p +3.62%Meggitt (MGGT) 474.50p +3.35%Kingfisher (KGF) 285.60p +3.03%ITV (ITV) 126.00p +3.03%Experian (EXPN) 1,161.00p +2.93%FTSE 100 - FallersIntu Properties (INTU) 336.70p -0.71%SSE (SSE) 1,462.00p -0.48%Centrica (CNA) 360.00p -0.39%Admiral Group (ADM) 1,272.00p -0.31%Sainsbury (J) (SBRY) 343.70p -0.29%Melrose Industries (MRO) 258.20p -0.19%Polymetal International (POLY) 983.50p -0.15%Croda International (CRDA) 2,620.00p -0.11%Vodafone Group (VOD) 167.55p -0.09%Reckitt Benckiser Group (RB.) 4,513.00p -0.09%NR