Elektron is among the stocks boosting the electronic and electrical equipment sector.The components group today announced Keith Daley has been appointed executive chairman.Daley has been non-executive chairman and temporary chief executive officer since the resignation of the previous CEO in 2008.Defensive stocks are unwanted. Drug groups GlaxoSmithKline and AstraZeneca and the tobacco group Imperial are suffering.Top performing sectors so far todayIndustrial Metals & Mining 7,276.72 +3.75%Oil Equipment, Services & Distribution 18,992.06 +3.65%Industrial Engineering 4,859.08 +2.07%Technology Hardware & Equipment 437.83 +1.62%Electronic & Electrical Equipment 1,813.56 +1.57%Bottom performing sectors so far todayMobile Telecommunications 3,444.98 -1.79%Food Producers & Processors 5,096.89 -0.76%Pharmaceuticals & Biotechnology 8,768.85 -0.61%Tobacco 26,971.97 -0.51%Electricity 6,425.80 -0.38%