Traders outside the New York Stock Exchange. Global markets plunged again on Monday. Photograph: Lucas Jackson/Reuters

A tumultuous fall in Chinese equities dubbed “Black Monday” by Xinhua, the official state news agency, triggered a ferocious sell-off in international(...)

Revenue from Verizon’s FiOS high-speed internet, TV and phone service rose 10 per cent to $3.4 billion. Photograph: Justin Lane

Verizon Communications reported a better-than-expected rise in quarterly profit as more users signed up for its post-paid wireless services and subscr(...)

Optical fibre: researchers at San Diego received data after it voyaged 12,000km through cables with standard amplifiers and no electronic regenerators.

Over two billion kilometres of optical fibres have been installed worldwide, a string of glass that could be wrapped around the globe 50,000 times. I(...)

Tim Armstrong: see him on YouTube for a masterclass in how not to talk to staff, how not to motivate and not to lead.  Photograph: Victor J Blue/Bloomberg

Tim Armstrong is my favourite chief executive. I can’t think of anyone else who has provided me with such rich and varied copy over the years. Since h(...)

Flour power: Taoiseach Enda Kenny with presenter Alan Hughes and baker Catherine Leyden on TV3’s ‘Ireland AM’. Photgraph: Brian McEvoy
Planet Business

Image of the week: Breakfast with Enda It was off to Ballymount this week for Enda Kenny, who dropped into TV3’s Ireland AM for the first time (...)

AOL’s  Graham Moysey “There will be a consolidation of players over the next few years, so this is a good strategic move for us.” Photograph: Eric Luke/The Irish Times

AOL, the company that made famous the phrase “you’ve got mail”, was the subject of a $4.4 billion bid by telecoms giant Verizon this week, and the pro(...)

Verizon has been spending aggressively to expand its business. In February it bought licenses worth $10.4 billion in a government sale of wireless airwaves for mobile data

Verizon Communications said it would buy AOL in a $4.4 billion deal that gives the biggest US wireless carrier access to AOL’s successful digital a(...)

Standard Life makes the point that Irish taxpayers who fall within the standard rate of income tax and whose payment will exceed the annual capital gains tax allowance would be better advised to select the default income option in this case.    Photograph: Simon Dawson/Bloomberg via Getty Images

Irrespective of postal delays or whatever other reasons give rise to various similar situations, it seems to me that the Standard Life payment is a ca(...)

Operating profit at Ericsson in the quarter fell to 2.1 billion Swedish crowns ($240 million) from 2.6 billion in the same period last year.

Ericsson has reported a surprise fall in profits as infrastructure spending by mobile network operators in its key North American market remained slug(...)

Cyber security: RSA’s Amit Yoran told a conference in San Francisco that a major problem was that the industry “has adopted a defensive mindset. We’re simply building taller castle walls and digging deeper moats.”

In 2014 the world saw huge data breaches, but 2015 promises to be the year of the “super mega breach”, said Amit Yoran, president of security company (...)