"Ennstone, the FTSE Smallcap-listed provider of building and construction products and services, surged as much as 15 per cent on the back of some early bid talk yesterday. Speculators suggested that a larger peer was set to mount a 42p-per-share bid for the company."
http://www.independent.co.uk/news/business/sharewatch/market-report-speculators-help-to-construct-a-rise-in-ennstone-792789.html