"Elsewhere, bid rumours gave a lift to Whitbread, the owner of Premier Inn hotels and the Costa-branded chain of coffee shops. Market speculation suggested that Asif Aziz, the property magnate who has reportedly built an 8 per cent stake in the company via contracts for difference, was preparing to mount a bid for the business."
http://www.independent.co.uk/news/business/sharewatch/market-report-investors-dig-in-to-xstrata-on-vale-tieup-hopes-804074.html