Water companies are the stand-out sector. Northumbrian Water has spurted higher on reports a Canadian pension fund is poised to bid. Sector peers United Utilities, Pennon Water and Severn Trent rise in sympathy.With stocks broadly higher, defensively-oriented tobacco stocks miss out, with Imperial among the fallers.Top performing sectors so far todayGas, Water & Multiutilities 4,133.43 +2.78%Banks 4,668.99 +2.27%Mining 20,218.67 +2.17%Life Insurance 3,745.55 +2.00%Electricity 6,831.70 +1.50%Bottom performing sectors so far todayTechnology Hardware & Equipment 377.76 -1.20%Electronic & Electrical Equipment 1,567.09 -0.25%Food & Drug Retailers 4,792.51 -0.20%Tobacco 25,450.39 -0.17%Fixed Line Telecommunications 1,955.86 -0.10%