The banking sector is performing well Wednesday as eurozone debt contagion fears recede.HSBC is the best performing financial, helped by a "buy" recommendation from Barclays Capital, but fellow banks Standard Chartered and Barclays are also wanted.The sector responded positively to the outcome of Portugal's bond auction. The country sold €1.25bn of bonds due 2014 and 2020, with the yield on the 10-year bonds coming in at 6.71%, compared to the 6.80% paid at the previous auction in November. Portugal has indicated issuing debt at 7% or higher would be unsustainable, so the downward trend in the yield has lessened the danger of the company seeking an EU bail-out. The gas, water and multiutilities sector is in the red today helped lower by utility group Centrica, which fell after its appeal to have competition restrictions lifted from its Rough gas storage facility in the North Sea has been rejected by the Competition Commission. Rough provides the majority of Great Britain's gas storage for the winter. When it acquired the facility in 2002, Centrica made several undertakings to ensure it did not abuse its dominant position in the market. The firm now wants these lifted because alternative gas supplies are available.Top performing sectors so far todayBanks 5,090.87 +2.69%Construction & Materials 4,189.88 +1.89%Health Care Equipment & Services 3,843.05 +1.79%Mining 27,916.18 +1.63%Life Insurance 4,237.20 +1.57%Bottom performing sectors so far todayAutomobiles & Parts 5,370.54 -3.12%Beverages 9,509.23 -1.81%Gas, Water & Multiutilities 4,429.59 -1.73%Mobile Telecommunications 3,911.86 -1.62%Oil Equipment, Services & Distribution 25,841.98 -1.32%