European and American stocks ventured higher on Monday following a meltdown in Asia as financial markets seemed to march in lockstep with tweets by US President Donald Trump on the trade front.

The yuan hit an 11-year low after Trump ramped up his trade war with China by hiking tariffs on more than half-a-trillion dollars worth of imports.

But Asian investors later pared steep losses when the president said that a fresh round of talks between US and Chinese negotiators would "start very shortly".

"China called last night... said let's get back to the table, so we'll be getting back to the table," Trump told reporters.

"This trade war is having more plot twists than a Quentin Tarantino movie," said Edward Moya, an analyst with Oanda.

Trump later added that trade talks with China were "more meaningful than at any time", prompting cautious buying first in Europe and then later on Wall Street, where the Dow Jones index clawed back around one percent by the late New York morning, having lost 2.4 percent on Friday.

At a G7 meeting in France, Trump also said Beijing had no choice but to give in to US pressure in the trade war.

- 'Emotions on sleeve' -

"Good news or bad, investors continue to wear trade war emotions on their sleeves," said Stephen Innes, an analyst at Valour Markets.

Trump's trade decision on Friday had stunned investors who ran for the hills, hammering European and Wall Street stocks.

Safe havens such as the yen and gold -- go-to assets in times of turmoil and uncertainty -- surged.

Friday's tariff hike came in response to Beijing's decision to raise levies on $75 billion of US goods.

US tariffs on $250 billion of Chinese goods are to rise to 30 percent and those planned on $300 billion in Chinese products are to go to 15 percent from October 1.

Many investors no longer trust Trump's statements, even when they appear to be reassuring, analysts said.

"Despite President Trump's tweets reflecting positive discussions between the two countries, actions show the opposite," said Hussein Sayed, chief market strategist at FXTM.

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"It now seems to many market participants that negotiations may get out of control, and likely lead to steeper selloff in risk assets."

- 'Gloves off' -

China's yuan currency fell briefly to its weakest level since early 2008 at the height of the global financial crisis.

"The gloves are coming off on both sides and as such yuan depreciation is an obvious cushion against US tariffs," Mitul Kotecha, a senior emerging markets economist at Toronto-Dominion Bank, said.

The flight to safer havens saw gold jump to a six-year high, while the Japanese yen touched its strongest level since the end of 2016.

But both assets pared their gains later, and oil rebounded amid rekindled trade talk hopes, before trading mixed in late European business.

Trade war news overshadowed a broadly dovish speech by Federal Reserve boss Jerome Powell on Friday, where he pledged to ensure US growth and pointed to fresh stimulus if inflation softens.

Back in Europe, investors took a dim view of a German business leader survey showing their confidence fell to its lowest level since 2012 in August.

"Germany is on the threshold of a technical recession," said KfW economist Klaus Borger.

- Key figures around 1540 GMT -

London - FTSE 100: Closed for public holiday

Frankfurt - DAX 30: UP 0.4 percent at 11,658.04 (close)

Paris - CAC 40: UP 0.5 percent at 5,351.02 (close)

EURO STOXX 50: UP 0.5 percent at 3,348.84

New York - Dow: UP 0.9 percent at 25,866.59

Tokyo - Nikkei 225: DOWN 2.2 percent at 20,261.04 (close)

Hong Kong - Hang Seng: DOWN 1.9 percent at 25,680.33 (close)

Shanghai - Composite: DOWN 1.2 percent at 2,863.57 (close)

Pound/dollar: DOWN at $1.2236 from $1.2290

Euro/dollar: DOWN at $1.1114 from $1.1145

Euro/pound: UP at 90.81 pence from 90.68 pence

Dollar/yen: UP at 105.99 yen from 105.39 yen

West Texas Intermediate: UP 8 cents at $54.25 per barrel

Brent North Sea crude: DOWN 35 cents at $58.99

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