Donald Trump  as he announces his candidacy for the US presidency:  his comments about Mexicans   have made him stand out in a crowded field of Republican candidates. Photograph:  Christopher Gregory/Getty Images

It’s hard to say what’s more shocking: the outrageous remarks property magnate Donald Trump has made since he announced his presidential candidacy or (...)

Denis O’Brien: he founded Digicel  in Jamaica in 2001, the company has grown across the Caribbean, central America and the south Pacific. Photograph; Dara Mac Dónaill

Denis O’Brien’s Digicel’s planned flotation is a signal that the business has arrived at a crossroads. Since he founded it with the launch of a new mo(...)

Microsoft chairman Bill Gates and his wife, Melinda, who have been married for 21 years. Photograph: Elaine Thompson/AP Photo

To be a billionaire, the first thing you need is a personality disorder.That is what I had always assumed, based on my own experience of having interv(...)

Billionaire Jack Ma,  the 50-year-old founder of China’s biggest e-commerce company Alibaba, saw added $25bn to his fortune.  (Photograph: Ashley Pon/Bloomberg)

The richest people on Earth got richer in 2014, adding $92 billion to their collective fortune in the face of falling energy prices and geopolitical t(...)

Denis O’Brien: Digicel made him a billionaire.  Photograph: Dara Mac Dónaill

Denis O’Brien is well known in business and media circles for taking a rather muscular approach to his opponents and critics. He may need to beef up a(...)

Photograph: Reuters /Lucy Nicholson
Planet Business

This is Mexican telecoms magnate Carlos Slim, who used to be the richest man in the world, having a natter with Rupert Murdoch, who used to be one of (...)

Eircom ran into a wall with institutional investors as its highly paid advisers Goldman Sachs, Rothschild and JP Morgan quietly sounded them out regarding an IPO. Photograph: Eric Luke

Common sense appears to have prevailed at Eircom, with the scrapping yesterday of its flotation plans. When it first announced back in April th(...)

Operating costs at Eircom totalled €814 million for the year, up €87 million on the previous 12 months.

Eircom, which yesterday reported a six per cent drop in yearly revenues to €1.28 billion, has denied recent speculation that it held discussions over (...)

Mexican telecoms billionare Carlos Slim also believes retirement should be later.

Carlos Slim’s proposal that we work a three-day week sounds crazy. But many, in 1922, thought Henry Ford crazy when he announced that his staff would (...)

Billionaire Carlos Slim is bowing to imminent antitrust legislation by planning a breakup of America Movil SAB’s phone operations in Mexico rather than risk profit- crushing restrictions if his company did nothing to curb its dominance. Photograph: Susana Gonzalez/Bloomberg

Billionaire Carlos Slim is bowing to imminent antitrust legislation by planning a breakup of America Movil SAB’s phone operations in Mexico rather tha(...)