Twitter shares rose to as high as $18.25 in trading before the official market opened in New York

Twitter shares jumped as much as 8.6 per cent in early trading on Monday after a report in The Information said investor Marc Andreessen and private e(...)

Mario Draghi in Davos: the European Central Bank president’s remarks helped to buoy markets on Thursday and the trend continued to the end of the business week. Photograph: Jean-Christophe Bott/EPA

Stocks continued their rebound on growing investor confidence triggered by indications from EU banking chief Mario Draghi that more support for the m(...)

eBay: results out on Tuesday. Photograph: Cyril Byrne
For your diary

TODAY Results: Delta Air Lines. Indicators: Japanese industrial production (Nov). TOMORROW Results: Bank of America; eBay; First Bancorp; IBM; Morgan (...)

Warren Buffett has urged investors to look at share price, not book value. Photograph: Reuters

US investment guru Warren Buffett is heading for his worst year relative to the rest of the US stock market since 2009, with shares in his conglomerat(...)

Liu Yiqian, a billionaire industrialist and art collector. ‘The message to the West is clear: We have bought their buildings, we have bought their companies, and now we are going to buy their art.’ Photograph: Sim Chi Yin/New York Times

Even as the cost of his quarry pulled away from the $100 (€93) million mark, Liu Yiqian remained calm. “I was on the phone with a girl from Christie’s(...)

Square chief executive Jack Dorsey. The company priced its shares at $9, resulting in a valuation significantly less than the $6 billion it was valued at in its last private fundraising round. Photograph: Mike Blake/Files/Reuters

Mobile payments company Square is set to make its debut on the stock market, with its $9 shares priced at 25 per cent less than it had hoped. The com(...)

Building materials group CRH gained 1.54% to close at €24.685 on trades totalling more than 800,000 shares

Markets surged yesterday after European Central Bank (ECB) president Mario Draghi signalled that its stimulus programme would continue well into next (...)

 Bono gestures launches the Red Product Line to Help the Global Fund to Fight AIDS, Tuberculosis and Malaria at the World Economic Forum in Davos, Switzerland in  2006. Photograph: AP Photo/Michel Euler

As U2 prepare for their first indoor tour for a decade, and the first live action since Bono’s serious bike accident in New York a year ago, is it tim(...)

The fact that Visa has chosen to invest in Stripe, not in PayPal, is seen to have huge significance

Stripe, the online payment processing company established by Irish brothers Patrick and John Collison, is now valued at $5 billion after raising new f(...)

UnionPay: its days of domination may be under threat after a complaint in 2012 by the United States to the World Trade Organisation

The Chinese payment system UnionPay, operated by the People’s Bank of China and owned by the about 85 domestic banks, which dominates the credit card (...)