The week in four charts
For months, investors have waited for policymakers at the European Central Bank to announce a new form of stimulus to give life to the continent's lagging economy.
On Thursday, they were rewarded.
US Attorney to challenge insider trading ruling
The US Attorney's office in Manhattan is expected to file a motion on Friday challenging a December appeals court decision to overturn two insider trading convictions, according to a spokesman for the office.
The forum's 45th annual meeting taking place at Davos, Switzerland, between 21 and 24 January has at the heart of its agenda a theme entitled ‘The New Global Context’ - as delegates discuss the effects of political, economic and social uncertainty on future policy making