Banks are one of the strongest sectors after recovering from a shaky start.Continuing fears over the potential impact of President Obama's new bank controls weighed on the UK sector in early dealings, with additional fears that a new chunk of fund raising could be on the cards to meet tougher new capital requirements.But banks are going well now, with Royal Bank of Scotland a top performer, Lloyds and Barclays going well and Asia-focused banks HSBC and Standard Chartered also higher.Pharmaceutical stocks have drifted lower, including AstraZeneca, whose full-year results are due on ThursdayTop performing sectors so far todayIndustrial Metals 5,046.41 +6.00%Banks 4,668.75 +2.14%Automobiles & Parts 2,810.36 +1.35%Mining 21,289.27 +1.33%Life Insurance 3,812.18 +1.31%Bottom performing sectors so far todayElectricity 6,686.49 -0.84%Mobile Telecommunications 3,105.22 -0.83%Pharmaceuticals & Biotechnology 8,835.57 -0.69%Food & Drug Retailers 4,757.71 -0.68%Health Care Equipment & Services 3,451.20 -0.65%