The global economy is facing a "delicate moment," beset with risks as the recovery loses steam amid trade tensions, Brexit and other factors, the International Monetary Fund warned Tuesday.

President Donald Trump on Tuesday lashed out at the European Union, vowing to slap tariffs on billions in EU imports in retaliation for subsidies to aviation giant Airbus.

Britain's economy risks a serious shock if the UK leaves the EU without a deal, the International Monetary Fund said Tuesday, warning of severe trade disruption and slower economic growth.

European companies should have the same rights in China as Chinese firms in Europe, European Commission head Jean Claude Juncker said Tuesday as an unusually tense EU-China summit kicked off in Brussels.

Carlos Ghosn has accused "backstabbing" Nissan executives of a "conspiracy" to have him arrested over fears he planned to merge the Japanese firm with France's Renault, in a video released Tuesday.

The footage, recorded shortly before Ghosn was re-arrested by prosecutors in Tokyo last week, did not however point the finger at specific individuals, with the tycoon's lawyer saying it had been edited to remove names.

Wall Street stocks retreated early Monday, with Boeing especially weak at the start of a week that includes key Brexit negotiations and the start of earnings season.

Saudi Energy Minister Khalid al-Falih said on Monday the oil market was "moving towards balance", and that producers may not need to make additional output cuts.

Asian markets were mixed Monday but investors remain broadly upbeat after a strong US jobs report that eased concerns about the world's top economy, while the pound edged up at the start of another crucial week in the Brexit saga.

Nissan shareholders voted Monday to eject Carlos Ghosn from the board, as the detained former chairman fights multiple financial misconduct charges that have landed him in custody.

The extraordinary shareholders' meeting at a Tokyo hotel was the first such gathering since the stunning arrest of the 65-year-old auto sector titan on November 19.

In a country that prides itself on economic stability, phrases like "too big too fail" can grab attention in Switzerland, especially when spoken by the head of the financial watchdog.