The London Stock Exchange (LSE) still dominates the provision of regulatory news 16 months after the UK market was opened to competition, although it has lost some ground, according to a new survey.

The LSE's Regulatory News Service (RNS) accounts for 78.4% of all regulatory company announcements according to analysis by Knowledge Technology Solutions, an online information vendor. This is down 6.5% on its position in the survey six months ago.