TRADING UPDATES: Versarien pleased ; D4t4 first-half revenue rises 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.
The following is a round-up of updates by London-listed companies, issued on Monday and not separately reported by Alliance News:
Versarien PLC - Cheltenham, England-based engineering.