The following is a round-up of updates by London-listed companies, issued on xxxday and not separately reported by Alliance News:
Jardine Matheson Holdings Ltd - Hong Kong-based holding.
UniVision Engineering Ltd - Hong Kong-based company that supplies, designs, installs and maintains closed-circuit television and surveillance systems, and also sells security-related products - Says.
IN BRIEF: UniVision Engineering unable to explain jump in share price lse.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from lse.co.uk Daily Mail and Mail on Sunday newspapers.