Water companies remained in focus as investors digested the impact of the Ofwat review. United Utilities, down 3½p at 597½p, was also on the receiving end of a downgrade to reduce from UBS, although its target was lifted to 540p, while Merrill Lynch cut AWG, ½p lower at 800p, to neutral from buy and Cazenove regraded Severn Trent, down 6½p at 936½p, to underperform from neutral.