* Asian stock markets : https://tmsnrt.rs/2zpUAr4
* Trump and Xi agree on 90-day trade truce to negotiate
* Relief for risk appetite and emerging markets
* Aussie dollar jumps, yuan gains on dollar
* Focus now on testimony from Fed's Powell later in week
By Wayne Cole
SYDNEY, Dec 3 (Reuters) - Asian shares looked set to rally on Monday after U.S. and Chinese leaders brokered a truce in their trade conflict, a relief for the global growth outlook and a positive for emerging markets.
Trade-exposed currencies led the early gains, with the Australian dollar notching a four-month peak, while the dollar slipped against the yuan CNH= .
"Markets are opening with a knee-jerk boost to risk appetite but time will tell how enduring the optimism proves to be," said ANZ economist Jo Masters. "There are already very different official takes on what was achieved at the meeting."
"But for now, both sides can claim a win," she added. "Perhaps not insignificantly, it provides a window to export the soybean crop from key Republican states, at least."
China and the United States agreed to halt additional tariffs in a deal that keeps their trade war from escalating as the two sides try again to bridge their differences with fresh talks aimed at reaching a deal within 90 days. White House said on Saturday that President Donald Trump told Chinese President Xi Jinping during high-stakes talks in Argentina that he would not boost tariffs on $200 billion of Chinese goods to 25 percent on Jan. 1 as previously announced.
The Aussie dollar jumped 0.9 percent in reaction to $0.7381 AUD=D3 , while racking up 1.2 percent on the safe-haven yen to 84.00 AUDJPY= .
The U.S. dollar eased on a basket of currencies to 96.967 =USD , but also firmed on the yen to 113.79 JPY= . The euro added almost 0.4 percent to $1.1356 EUR= .
The dollar had come under pressure last week when the market took comments by Federal Reserve Chair Jerome Powell as hinting at a slower pace of rate hikes. was scheduled to testify on Wednesday to a congressional Joint Economic Committee. But the hearing is expected to be postponed to Thursday because major exchanges will be closed on Wednesday in honour of former U.S. President George H.W. Bush, who died on Saturday at the age of 94.
Treasuries rallied hard late on Friday to leave 10-year yields down at 2.99 percent US10YT=RR .
The progress on Sino-U.S. trade and an easier dollar could provide some support to commodity prices.
Oil suffered its weakest month in more than 10 years in November, losing more than 20 percent as global supply outstripped demand. O/R
Speculation is high the Organization of the Petroleum Exporting Countries (OPEC) and Russia would agree some form of production cut at a meeting in Vienna on Thursday.
Brent futures LCOc1 were yet to trade at $59.46 a barrel, while U.S. crude CLc1 stood at $50.93 a barrel.
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