Engineering firm AMEC was a heavy faller today after going ex-dividend. Others in the FTSE 350 including Johnson Matthey, Vedanta Resources, Lancashire Holdings, 3i Infrastructure, UDG Healthcare, Telecom Plus and Dunelm also went ex-div today.Antofagasta was falling after JPMorgan Chase reiterated its 'neutral' rating on the stock with a target price of 900p. Meanwhile, Lloyds Banking was rising on the news it will likely dispose of a "significant" proportion of its 22% stake in St. James's Place early next month, Panmure Gordon & Co. have said. One of the broker's analysts today emailed clients saying the group will probably place "at least 12%" but "could conceivably push for a full exit, albeit the discount required may rule out such a course of action". Lloyds last lowered its stake in St James's in May, which was followed by a now completed restriction period. Insurance group Aviva was making gains after Nomura raised its target price for the stock and maintained a 'buy' rating, saying that the stock remains "relatively cheap" despite the impressive performance over recent few months.Compass, the world's largest catering group, was higher today after beating forecasts with its annual results, driven by strong performances in North America and Fast Growing & Emerging. The company also unveiled a bigger-than-expected share buyback for 2014 of £500m.Water group United Utilities also impressed with its first-half results as underlying operating profits rose 9%. The company also said it is discounting bills by £20m for customers, offsetting the allowed price increases for 2014/15, meaning that bills will go up by no more than inflation.WPP, the advertising and public relations company, rose on the news it has acquired a majority stake in South African firm Cerebra Communications, an integrated strategic communication agency based in Johannesburg.FTSE 100 - RisersSports Direct International (SPD) 727.50p +2.83%Lloyds Banking Group (LLOY) 77.00p +2.38%Mondi (MNDI) 1,014.00p +2.32%Aviva (AV.) 433.10p +1.93%GKN (GKN) 382.60p +1.81%Burberry Group (BRBY) 1,515.00p +1.75%Rexam (REX) 499.40p +1.73%Resolution Ltd. (RSL) 349.00p +1.63%Compass Group (CPG) 941.50p +1.62%ITV (ITV) 189.70p +1.55%FTSE 100 - FallersAmec (AMEC) 1,133.00p -3.16%Antofagasta (ANTO) 773.50p -0.71%BP (BP.) 483.60p -0.70%Johnson Matthey (JMAT) 3,200.00p -0.62%Severn Trent (SVT) 1,753.00p -0.45%Tate & Lyle (TATE) 787.00p -0.44%Shire Plc (SHP) 2,791.00p -0.43%Royal Dutch Shell 'A' (RDSA) 2,057.00p -0.39%Vedanta Resources (VED) 877.50p -0.28%Experian (EXPN) 1,142.00p -0.26%NR