Kraft Heinz is now Mr Buffett’s second-biggest stock investment, ahead of Coca-Cola and International Business Machines. Photograph:  Scott Olson/Getty Images

Warren Buffett helped take over Heinz in 2013 and facilitated its combination with Kraft Foods this year. His prize: a stake of about $24 billion in(...)

Warren Buffett: expensive lunch guest. Photograph:   Dimitrios Kambouris/Getty Images

A Chinese company that develops online games bid more than €2 million for what must be the most expensive Buffet lunch in history. Zhu Ye, head of Be(...)

Medtronic, which completed its acquisition of Covidien earlier this year, is the  68th largest company in the world, with a market capitalisation of $111m.

Fiona Reddan Dublin-headquartered Medtronic is the only Irish company to make a list of the world’s 100 most valuable companies. Published (...)

Warren Buffet, chairman of Berkshire Hathaway: company owns corporate jet operator NetJets. Earlier this year, NetJets pilots took their case to Berkshire Hathaway’s annual meeting, staging a protest outside for better pay and conditions. Photograph: Rick Wilking/Reuters

NetJets, the corporate jet operator owned by Warren Buffett’s Berkshire Hathaway, has parted company with chairman and chief executive Jordan Hansell,(...)

American Express has slid the most in the Dow Jones Industrial Average since December 31st after setbacks including the end of the company’s partnership with warehouse-club chain Costco and a ruling by a federal judge that its policies prohibiting merchants from steering customers to cheaper cards violated antitrust laws.

American Express’s short-term stock results have been “disappointing,” as the company faces a variety of issues including the loss of its biggest reta(...)

David McWilliams: among a coterie of economic and market soothsayers who are scheduled to talk next Saturday, May 16th, at an “Investment Summit” at the Stillorgan Park hotel

Now that our merchant classes are on the up again and there’s a bit more cash floating about, it appears that playing the markets is back in vogue.Dav(...)

  Warren Buffett attends his company Berkshire Hathaway’s   annual shareholders’ meeting  in Omaha, Nebraska. Photograph: Reuters/Rick Wilking/Files

Shareholders in Berkshire Hathaway are expressing unease at the company’s deepening relationship with private equity group 3G Capital, ahead of an exp(...)

Photograph: Reuters /Nate Chute
Planet Business

Image of the week: Welcome signs A sign reading “This business serves everyone” is placed in the window of Bernadette’s Barbershop in downtown (...)

Kraft Foods has agreed to merge with Heinz, with analysts suggesting that the move will lead to considerable job losses. (Photograph: EPA/ANDY RAIN)

H.J. Heinz, which is controlled by Warren Buffett’s Berkshire Hathaway Inc. and buyout firm 3G Capital, said Wednesday that it agreed to buy the ma(...)

The current Kraft was created in a spinoff from Mondelez in October 2012. Mondelez inherited the company’s overseas snack businesses, giving it bigger growth opportunities internationally. (Photograph: David Paul Morris/Bloomberg)

3G Capital, the Brazilian private-equity firm, is understood to be in advanced talks to acquire Kraft Foods Group Inc. and merge it with ketchup make(...)