Vodafone leads the mobile telecommunications sector higher on talk it could get a dividend from US joint venture Verizon Wireless. Several options are being discussed including a full merger of the two companies or dividends.CCTV developer and supplier COE Group is among the stocks dragging the electronic and electrical equipment sector lower. It reported a 37% drop in first-half revenues, but said it expects revenues to grow over the second half.Top performing sectors so far todayMobile Telecommunications 3,483.36 +2.35%Automobiles & Parts 3,294.33 +2.03%Mining 24,120.86 +1.14%Electricity 6,455.25 +0.89%Real Estate Investment Trusts 1,937.46 +0.82%Bottom performing sectors so far todayElectronic & Electrical Equipment 1,747.47 -1.24%Personal Goods 12,308.29 -1.24%Banks 5,121.25 -1.20%Household Goods & Home Construction 6,843.06 -1.14%Health Care Equipment & Services 3,668.95 -1.12%