Engineering titan Weir is a strongest gainer, roaring over 5% higher on Thursday afternoon.Meanwhile, the mining sector is dominating the risers, with Antofagasta, Lonmin, Anglo American and Fresnillo in demand,Man Group, the hedge fund manager, is performing well after full-year pre-tax profit cmae in at just under $600m, higher than indicated at the time of its pre-close trading statement. Heading in the opposite direction is Burberry, the worst performer of the day, despite recording a sharp rise in sales in the year to 31 March, helped by strong sales of non-clothing items and a decent performance in emerging markets.British American Tobacco is higher after announcing the acquisition of Colombia's second biggest cigarette company for $452m (£279m). United Utilities has edged higher after profits came in better than expected, albeit still down on last year's figures, as a result of increased price regulation in the water supplying industry.---BCFTSE 100 - RisersWeir Group (WEIR) 1,987.00p +5.47%Antofagasta (ANTO) 1,261.00p +3.70%Man Group (EMG) 246.70p +3.18%Lonmin (LMI) 1,535.00p +2.61%Anglo American (AAL) 2,951.00p +2.45%Petrofac Ltd. (PFC) 1,592.00p +2.45%Fresnillo (FRES) 1,382.00p +2.37%British Land Co (BLND) 583.50p +2.10%Land Securities Group (LAND) 803.50p +2.03%Lloyds Banking Group (LLOY) 51.68p +1.85%FTSE 100 - FallersBurberry Group (BRBY) 1,261.00p -4.47%Shire Plc (SHP) 1,841.00p -1.81%Whitbread (WTB) 1,625.00p -1.46%Aggreko (AGK) 1,778.00p -1.22%Smiths Group (SMIN) 1,198.00p -1.16%Wolseley (WOS) 1,947.00p -1.12%Carnival (CCL) 2,429.00p -1.10%Vodafone Group (VOD) 166.90p -1.01%International Power (IPR) 313.00p -0.95%3i Group (III) 285.50p -0.94%