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Choose investors carefully as "the wrong ones can lead to meltdown", says CEO Nikolay Piriankov.

How Rupert Hunt created flat-sharing website SpareRoom, and then ended up needing to use it himself after his marriage ended.

What should you do when someone gets your name wrong in the professional sphere?

The Black Friday effect is driving more shopping online for a longer period, retail researchers say.

Interserve, which provides services in prisons, schools and hospitals, is struggling with £500m debts.

Paris has been particularly badly hit, with cars burned, shops looted and major tourist sites closed.

Jack Dorsey is accused of ignoring the persecution of the country's Muslim Rohingya minority.

The mobile phone operator is understood to be demanding damages from supplier Ericsson.

Facebook is in crisis. And the firm's chief operating officer, once the golden girl, is taking the heat.

Interserve, which provides services in prisons, schools and hospitals, is struggling with £500m debts.

The foreign ministry demands Canada release CFO Meng Wanzhou, who faces fraud charges in the US.

A cluster of concerns has cast markets into turmoil.

China's tech giant leads the market for telecoms infrastructure, and is second only to Samsung in smartphone sales.

Meng Wanzhou faces fraud charges over sanctions-breaking business with Iran, a Canadian court hears.

Opec and allies agree to cut oil production by more than one million barrels per day.

The fashion chain's founder Ray Kelvin is facing allegations of harassment.

They will strike from 22 December to Christmas Day in a dispute over union recognition, the PPU says.

The mobile operator's announcement comes after a day of disruption to its data networks.

US employers add 155,000 jobs in November, fewer than expected.

The social media giant must do more to protect user data, says former GCHQ boss Robert Hannigan.