Miners dominate the risers as metals prices rise on the back of a weak dollar. Kazakhmys is higher after yesterday's share sale by the chairman to the Kazakhstan government. Higher gold prices are pushing African Barrick Gold higher. Even Rio Tinto and BHP Billiton are higher despite doubts about their iron ore joint venture.Man Group is higher after positive performance figures from GLG, which the hedge funds manager is in the process of acquiring. British Airways is higher on the back of easyJet's strong figures and forecast that its profit will be more than £150m this year. Shares in Autonomy have lost one-sixth of their value after the Cambridge-based software company said that it was reducing its full year consensus revenue estimate by 3%. Autonomy says revenue growth will still be 17% in 2010, while pre-tax profit should be one-fifth higher. Broker Panmure Gordon had forecast a rise in adjusted profit from $291.2m to $400m in 2010. Depending on the adjustments, it appears that the profit is going to be more like $350m. Supermarket chain Sainsbury's fell back after like-for-like sales excluding fuel were 2% higher in the first half, in line with market expectations. Car insurer Admiral has gone ex-dividend but the fall in its share price is more than double the dividend of 32.6p a share. B&Q-owner Kingfisher has also gone ex-dividend and its decline is also more than the dividend of 1.925p a share. FTSE 100 - RisersMan Group (EMG) 236.40p +4.10%British Airways (BAY) 264.60p +3.93%Kazakhmys (KAZ) 1,471.00p +3.08%Anglo American (AAL) 2,721.00p +3.01%Xstrata (XTA) 1,273.00p +2.66%Antofagasta (ANTO) 1,302.00p +2.60%Rio Tinto (RIO) 3,886.50p +2.49%InterContinental Hotels Group (IHG) 1,171.00p +2.18%BHP Billiton (BLT) 2,119.00p +2.15%African Barrick Gold (ABG) 629.00p +2.11%FTSE 100 - FallersAutonomy Corporation (AU.) 1,534.00p -17.17%Admiral Group (ADM) 1,590.00p -4.45%ARM Holdings (ARM) 386.90p -3.27%TUI Travel (TT.) 221.50p -1.95%Burberry Group (BRBY) 995.50p -1.82%Sage Group (SGE) 280.10p -1.75%Centrica (CNA) 321.80p -1.59%Sainsbury (J) (SBRY) 383.40p -1.59%Kingfisher (KGF) 227.00p -1.52%Marks & Spencer Group (MKS) 387.40p -1.30%