The best performing sector on Friday was electricity, bolstered by Scottish & Southern Energy.The legion of income investors holding Scottish & Southern Energy shares were kept happy as the utility company bumped up the dividend a bit more than anticipated on the back of better than expected results.The full year dividend has been hiked 7.1% to 75p from 70p last year, a shade above market expectations of a 74.8p pay-out. The aerospace and defence sector was under the weather, with Rolls-Royce and Cobham providing a drag.---BCTop performing sectors so far todayElectricity 8,289.77 +1.18%Household Goods & Home Construction 6,689.35 +1.07%Food & Drug Retailers 4,904.63 +0.94%Software & Computer Services 753.67 +0.89%Fixed Line Telecommunications 2,430.10 +0.77%Bottom performing sectors so far todayAerospace and Defence 3,420.25 -1.36%General Industrials 3,230.48 -0.88%Forestry & Paper 6,489.74 -0.82%Food Producers & Processors 5,292.74 -0.78%Support Services 4,590.53 -0.73%