The Vienna meeting, which includes major producer Russia, aims to nail down details on implementing the accord reached late last month.
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The Japanese parliament passed the Trans-Pacific Partnership - the agreement US President-elect Donald Trump has promised to withdraw the United States from on his first day in office.
The euro dropped on Friday for a second consecutive day in a continued reaction to the European Central Bank's extending its bond-buying programme longer than many had anticipated.
The London-listed firm said in a statement it had agreed on an informal offer of £10.75 per share from the Murdoch-controlled US media-entertainment giant, which is seeking to take full control.
Japanese electronic parts manufacturer TDK Corp is in talks to acquire InvenSense Inc, a US chip maker that produces motion sensors for Apple Inc and Samsung Electronics Co, people familiar with the matter said on Friday.
The South Korean electronics giant, the world's biggest smartphone vendor, said 93 per cent of Note 7 phones in the United States had been returned to the company after its recall earlier this year, which came amid reports of devices exploding or catching fire.