Mon May 20, 2013 2:17am EDT. DUBLIN May 19 (Reuters) - Ryanair posted record full-year earnings but warned profit growth would slow sharply in the coming 12 months on demand weakness in the European Union and high fuel and airport costs.

David Cameron has written to the leaders of Britain's offshore tax havens stressing the need to "get our own houses in order" as he pushes for international action to tackle avoidance schemes.

Marks & Spencer has become the latest in a string of UK companies to face criticism from tax campaigners over the way it structures its online sales to Europe - with one describing its sales operation as similar to that of the internet retail giant Amazon.

... Off. � UK business chiefs say 'we need to stay in EU' � Sir Mervyn King: stop 'demonising' bankers � Inflation 'may hamper Carney', warns ITEM Club � Yahoo agrees to buy Tumblr for $1.1bn � M&S under tax spotlight over Irish arm � Google chief criticises ...

With the $1.1 billion acquisition of Tumblr apparently wrapped up and ready to be announced Monday morning, Yahoo Yahoo and its hard-charging CEO Marissa Mayer are making a big bet that the Internet pioneer can return to relevance.