Ahead of the first US Republican TV debate on Fox, Donald Trump sits atop the polling average - and has in fact widened his lead - with Jeb Bush and Scott Walker behind him. Photograph:  Frederic  J. Brown/AFP/Getty Images.

For the last several weeks, the likely slate of US Republican candidates for the first televised debate this week has shifted constantly at the cut(...)

The growth rate in Twitter users has fallen in every quarter since Twitter’s market debut 21 months ago.

Last week was another lousy one for Twitter. The stock plunged 14 per cent following its earnings report, and is now almost 60 per cent below December(...)

Investors’ initial response to Apple’s recent earnings was to wipe more than $60 billion in value off the company, a “crash” that garnered headlines a(...)

Asset management agencies such as Nama and Spain’s Sareb hold commercial real estate loans, residential mortgages and foreclosed properties with a face value of about €233 billion

European banks and asset managers are seeking to sell €74 billion of real estate debt and foreclosed assets, the most ever, as they trim their soured(...)

Despite the US and Cuba opening their embassies, the move doesn’t end the US trade embargo against Cuba. Photograph: Ernesto Mastrascusa/EPA 0:59

The Cuban flag was raised over Havana’s embassy in Washington on Monday for the first time in 54 years as the United States and Cuba formally restored(...)

Permanent TSB was the star performer on the Dublin market yesterday, closing up 4.8 per cent at €5.31 with 2.5 million shares changing hands.

European stocks were little changed, posting their longest winning streak since January, amid mixed earnings reports from Ericsson and Volvo. The S(...)

Owen Killian, chief executive of Aryzta: the Swiss-Irish food group closed the day up 3.7 per cent to €44.89. Photograph:  Cyril Byrne

European stocks rose yesterday as oil prices steadied, supporting energy shares, after first tumbling when Iran and six world powers reached an agre(...)

Michael Bloomberg , former New York Mayor and founder of media company Bloomberg, is clashing with key staff.

This year, after Michael Bloomberg reasserted control over the company he founded and began to scrutinise its online operations, he suggested in a me(...)

Repayment of Samurai notes demonstrates commitment of Greek government to  creditors. Photograph: Reuters.

The Greek government repaid Samurai notes maturing on Tuesday, according to bond agent Mizuho Bank, in a first sign the nation is honouring its obliga(...)

Micron HQ in Idaho, USA. The Chinese government has budgeted to spend as much as 1 trillion yuan ($161 billion) on the chip industry over the next five to 10 years. Photograph: Reuters.

Tsinghua Unigroup plans to offer $23 billion for chipmaker Micron Technology in a deal that would be the largest takeover of a foreign firm by a Chine(...)