Short sellers bet that markets will fall, rather than rise. Photograph: Torsten Blackwood/AFP/Getty Images

If you feel, like some commentators do, that “irrational exuberance” is back in the markets, you may fear a fall in equity prices. Or you maybe you fe(...)

George Soros  speaks with Bloomberg Television anchor Francine Lacqua, right, during an interview recorded at his home in London. Photographer: Jason Alden/Bloomberg

The EU has got its priorities wrong, billionaire investor George Soros said, as he called on Europe to provide financial assistance to Ukraine. It was(...)

Alibaba Group executive chairman Jack Ma:  In the Bloomberg Billionaires list, which updates daily, he is the richest person  in China (and 15th richest in the world), with a net worth of $34.7 billion (€31.36 billion). Photograph: Pichi Chuang/Reuters

Establishing who is the richest person in China is a challenging task, given the dizzying share market movements and the pace with which the country’s(...)

Miners dig for diamons in Zimbabwe. As a compact, stable, and transferable store of value, diamonds offer enormous advantages to smugglers, money launderers, and tax evaders. 2:03

In the spring of 2005, Erez Daleyot, a Belgian-Israeli diamond tycoon with some dubious connections, paid a visit to his Swiss bankers at HSBC Private(...)

Activists protest near the Manhattan apartment of billionaire and Republican financier David Koch last June in New York City. The demonstrators were protesting against the campaign contributions by the billionaire Koch brothers. Photograph: Spencer Platt/Getty Images

With just 646 days to go, the 2016 US presidential race is already starting up and the ring is packed with various Republicans vying to prove who is t(...)

 Quantitative easing wasn’t the only item on the agenda in Davos. Photographer: Chris Ratcliffe/Bloomberg

While the ECB’s announcement of a quantitative easing programme dominated events in Davos last week, a range of other issues were quietly under discus(...)

 Quantitative easing wasn’t the only item on the agenda in Davos. Photographer: Chris Ratcliffe/Bloomberg

While the ECB’s announcement of a quantitative easing programme dominated events in Davos last week, a range of other issues were quietly under dis(...)

French President Francois Hollande: The ECB’s decision “should not stop us from carrying out reforms”

France has committed itself to faster economic reforms aimed at boosting growth in the wake of the ECB decision to inject billions into the European e(...)

Seasonal market patterns seemingly suggest the recent market rally is just the beginning. Historically all market gains have come during over the Nove(...)

The Apple Watch hype has been remarkable, given the device’s obvious shortcomings. Do people need or want a phone on their wrist? Why bother, when sma(...)