Financial markets have been obsessing for months about the timing, size and structure of a European Central Bank bond-buying programme that seems likely to be unveiled today.

China's Premier Li Keqiang sought Wednesday to allay fears over the Asian giant's growth outlook, telling business and government elites gathered in Davos that the economy is not heading for a sharp slowdown.

Tech tycoons said technological advances will explode 10 times faster than the Internet boom in the 1990s.