Lloyds, RBS and Barclays were in demand, following the sector's sell-off yesterday on the back of concerns over the softness of last week's European banking stress tests.Lloyds was the high riser of the day, after announcing that it is aggregating the wholesale markets, treasury and trading, transaction banking and corporate banking business lines as part of its recently announced strategic review. Lloyds has added new members to the management team and said the aggregation will allow the bank to simplify wholesale banking organisational structure. Copper miners Kazakhmys, Vedanta Resources and Antofagasta were making gains, tracking copper prices higher. At 16:18 in London, copper futures had risen 1.95% to $448.90.Sales and profits at Johnson Matthey both registered double-digit percentage gains in the first quarter of the platinum refiner's fiscal year. Shares rose over 4% in the afternoon.Advertising firm WPP rose after investing $3m for a minority stake in Affectiva, a technology firm that specialises in measuring the emotional responses of consumers. Real estate investment trust Land Securities dipped into the red despite saying the outlook for development in London remains attractive while even the battered retail sector has its bright spots. BCFTSE 100 - RisersLloyds Banking Group (LLOY) 43.21p +4.51%Johnson Matthey (JMAT) 2,016.00p +4.02%Resolution Ltd. (RSL) 274.60p +3.62%Kazakhmys (KAZ) 1,345.00p +3.30%Man Group (EMG) 238.10p +3.07%Vedanta Resources (VED) 1,848.00p +3.01%Cairn Energy (CNE) 382.30p +2.91%WPP (WPP) 710.00p +2.90%Antofagasta (ANTO) 1,421.00p +2.90%BT Group (BT.A) 193.00p +2.88%FTSE 100 - FallersAutonomy Corporation (AU.) 1,706.00p -1.39%British Land Co (BLND) 596.50p -1.32%Standard Chartered (STAN) 1,580.00p -1.03%British American Tobacco (BATS) 2,750.00p -0.90%Randgold Resources Ltd. (RRS) 5,510.00p -0.90%Associated British Foods (ABF) 1,071.00p -0.74%Reckitt Benckiser Group (RB.) 3,432.00p -0.69%Inmarsat (ISAT) 513.50p -0.68%GlaxoSmithKline (GSK) 1,327.50p -0.56%Shire Plc (SHP) 2,064.00p -0.53%