Sage, which makes accountancy computer packages, is helping lift the software and computer services sector higher after it upped its dividend and said conditions have stabilised in the second half.The total dividend has been increased by 3% to 7.43p per share (2008: 7.21p per share). The group said the rise reflects the strength of cash flows and its robust business performance.There is still lingering weakness in the banking sector, which has been hit by the Dubai debt situation. Lloyds and RBS are among the heaviest fallers.Top performing sectors so far todayAutomobiles & Parts 2,653.70 +2.99%Mobile Telecommunications 3,278.93 +1.63%Fixed Line Telecommunications 2,041.39 +1.48%Industrial Engineering 3,792.93 +1.16%Software & Computer Services 565.26 +1.10%Bottom performing sectors so far todayIndustrial Metals 5,056.61 -2.78%Banks 4,805.47 -2.01%Life Insurance 3,831.27 -1.22%Gas, Water & Multiutilities 3,959.73 -1.09%Technology Hardware & Equipment 331.66 -0.94%