Companies in the telecoms and energy sectors will be among UK market heavyweights updating investors on their progress this week.

United Utilities today confirmed its interest in operating the regional gas distribution networks being sold by energy group National Grid Transco.

Mapflow has completed a web-based ASP application that provides mapping to Amatics, as part of its telematics solution for Transco PLC.

The Footsie index of 100 leading stocks is up 20.6 points after an hour's trading to stand at 5576.2, recovering marginally from yesterday's woes.

The Footsie index of 100 leading shares is down at 6187 at mid-morning, dragged down by falls in the prices of technology and telecoms stocks.