Digicel chairman Denis O’Brien  described   business tactics of web giants as “unacceptable”. Photograph: Reuters

Digicel, the Caribbean mobile operator Denis O’Brien is preparing to float in the coming days, has started blocking web ads on its network that have (...)

Wolseley led the drop, falling 12.5 per cent, after it forecast North American industrial markets will be challenging, and the UK heating industry will remain competitive. Photograph: Anna Gowthorpe/PA Wire

Financial markets remained on edge after a rout Monday, as a rally in US stocks faded while gauges of European and emerging-market equities retreated.(...)

Yahoo had sought a private letter ruling from the IRS to confirm if the transaction – potentially worth about $23 billion – would result in a tax obligation. Photograph:  Ethan Miller/Getty Images

Yahoo shares rose as much as 6 per cent yesterday after the company said it would proceed with the spin-off of its stake in Chinese e-commerce company(...)

Getty’s  new chief executive hopes to multiply revenue streams for the picture licensing group. Photograph: Miles Willis/Getty Images

Dawn Airey, who recently quit as head of European operations at Yahoo, has been appointed chief executive of Getty Images, the picture licensing group(...)

Federal Reserve Washington, DC: announcement expected on Thursday. Photograph: Andrew Harrer/Bloomberg

Markets dipped on Monday as investors grew nervous ahead of a US central bank meeting later this week that some speculate could raise interest rates. (...)

Yahoo! Weather: background images are pulled from geotagged Flickr photos

Irish summers usually dictate that we should have an umbrella, rain jacket, flip-flops and a bottle of sun cream on hand at all times. Surely there(...)

A seasoned columnist and accomplished interviewer in his role as Fortune magazine’s editor-at-large, Geoff Colvin, is not the only member of the fo(...)

Apple, for whom China is a key growth market, fell 3.4 per cent on Wall Street early in the day. Photograph: Paul Miller/EPA

The Iseq in Dublin closed down 2.7 per cent on a chastening day for European stock markets. Bourses around the continent extended the week’s sell-off (...)

New Google chief executive Sundar Pichai

A low-key style and an unusually firm handle on diplomacy propelled new Google chief executive Sundar Pichai to the top of the search engine giant, fo(...)

Encrypted credit card information of up to 90,000 Carphone Warehouse  customers may have been accessed during a cyber attack, the company has  warned. File photograph: Andy Rain/EPA

The personal details of up to 2.4 million customers may have been accessed after a division of Carphone Warehouse was hit by a “sophisticated” cyber a(...)