Aberdeen Asset Management's shares rebounded after falling earlier in the week on growing fears it could be caught up in a bidding war for Scottish Widows Investment Partnership. Prudential advanced after saying new business profit rose 12% in the first nine months of the year, driven by demand for insurance from Asia's multiplying middle classes and for annuities from retiring American baby boomers.Burberry Group rallied after the luxury fashion group reported a 17% rise in first-half revenue to £1bn, driven by strong retail sales.Centrica, on the other hand, slumped after the owner of British Gas warned that reduced residential returns would mean it failed to meet analysts' expectations for annual profits.Rexam declined after the can maker said volume growth in Western Europe over the summer was partially offset by weakness in Russia and a difficult trading environment in Egypt and Turkey. Tesco dropped as rival Sainsbury's reported a rise in first-half profit yesterday that put it in the shade. Tesco was also downgraded by Goldman Sachs to 'sell' today..FTSE 100 - RisersAberdeen Asset Management (ADN) 419.60p +3.12%Shire Plc (SHP) 2,833.00p +2.61%WPP (WPP) 1,335.00p +2.14%Prudential (PRU) 1,265.00p +1.77%ITV (ITV) 185.00p +1.76%Burberry Group (BRBY) 1,486.00p +1.64%Pearson (PSON) 1,322.00p +1.61%Smiths Group (SMIN) 1,429.00p +1.56%Admiral Group (ADM) 1,281.00p +1.51%Associated British Foods (ABF) 2,298.00p +1.50%FTSE 100 - FallersCentrica (CNA) 344.20p -5.41%Rexam (REX) 506.50p -2.31%William Hill (WMH) 371.00p -2.08%Tesco (TSCO) 358.55p -1.69%Antofagasta (ANTO) 801.00p -1.54%Morrison (Wm) Supermarkets (MRW) 269.80p -1.53%Anglo American (AAL) 1,392.50p -1.14%RSA Insurance Group (RSA) 103.10p -0.96%Mondi (MNDI) 1,001.00p -0.89%Fresnillo (FRES) 894.50p -0.83%RD