Shares in global engineering group IMI climbed higher after it said that current trading has continued in line with comments made in the August interim results announcement. The firm is due to make a presentation to investment analysts on Thursday to showcase its use of a number of core fluids technologies across its businesses.Copper and silver prices were surging ahead, with gold not far behind, boosting demand for the miners. Eurasian Natural Resources Corp, Antofagasta, Kazakhmys, Vedanta Resources and Fresnillo were making gains of at least 5.9%. A report in Reuters said shares in oil company BP had fallen as a result of "talk that the company had begun telling analysts its quarterly profits would be below their current forecasts". BP has denied this claim. FTSE 100 - RisersVedanta Resources (VED) 1,118.00p +8.65%Eurasian Natural Resources Corp. (ENRC) 601.00p +7.80%IMI (IMI) 733.00p +7.64%Essar Energy (ESSR) 266.90p +7.32%Antofagasta (ANTO) 1,013.00p +7.14%Prudential (PRU) 563.50p +6.72%Kazakhmys (KAZ) 829.00p +5.94%Fresnillo (FRES) 1,632.00p +5.91%SABMiller (SAB) 2,224.00p +5.90%Standard Chartered (STAN) 1,285.50p +5.59%FTSE 100 - FallersMan Group (EMG) 162.30p -1.40%Admiral Group (ADM) 1,251.00p -0.95%BP (BP.) 386.90p -0.87%Next (NXT) 2,432.00p -0.61%Capita Group (CPI) 696.50p -0.57%Pearson (PSON) 1,144.00p -0.52%BT Group (BT.A) 173.40p -0.17%Autonomy Corporation (AU.) 2,548.00p -0.08%International Consolidated Airlines Group SA (IAG) 155.90p -0.06%Morrison (Wm) Supermarkets (MRW) 293.80p -0.03%NR