* Wall Street tumbles, spooked by growth and trade worries
* Confusion over timing of trade truce, China commitments
* U.S. yield inversion spreads on concerns about slowing growth
* Dollar weak as U.S. Treasury yield curve inversion sparks recession fears (Updates with close of U.S. markets)
By Laila Kearney
NEW YORK, Dec 4 (Reuters) - Global stocks tumbled on Tuesday as a flattening Treasury yield curve sparked recession warnings, while optimism sharply waned that the United States and China would quickly resolve their trade dispute.
Benchmark Treasury 10-year yield fell to its lowest point since mid-September. The spread between the 10-year yield over its two-year counterpart also shrank to the smallest since the start of the financial crisis in January 2008, signaling to some investors an approaching U.S. economic slowdown. is the perfect storm," said RJ Grant, head of trading at Keefe, Bruyette & Woods in New York. "You've nothing really tangible coming out of the G20 summit. You have worries about growth."
MSCI's gauge of stocks across the globe .MIWD00000PUS shed 2.16 percent, its worst performance since October 11.
The Dow Jones Industrial Average .DJI fell 799.36 points, or 3.1 percent, to 25,027.07, the S&P 500 .SPX lost 90.31 points, or 3.24 percent, to 2,700.06 and the Nasdaq Composite .IXIC dropped 283.09 points, or 3.8 percent, to 7,158.43.
The New York Stock Exchange and Nasdaq will be closed on Wednesday, for a day of mourning for former President George H.W. Bush, who died on Friday at the age of 94. pan-European STOXX 600 index .STOXX lost 0.76 percent.
On Monday, stock markets around the world got some relief after Washington and Beijing agreed to temporarily end their trade war during talks at the G20 summit in Argentina. Upon closer scrutiny, investors said a deal between the world's two biggest economies was far from a sure bet.
"As soon as investors digested the information from the discussions they focused on the uncertainties and lack of details," said Ryan Nauman, market strategist, Informa Financial Intelligence, Zephyr Cove, Nevada.
There was added confusion over when the 90-day truce period, during which the United States and China would hold off on imposing more tariffs, would start. U.S. President Donald Trump on Tuesday warned he would revert to tariffs if the two sides could not resolve their differences.
"If it is, we will get it done," Trump wrote in a Twitter post. "But if not remember, I am a Tariff Man." the flattening U.S. yield curve weighed on investors' minds.
"The focus is now shifting to the inverted U.S. bond yield curve, which has negative connotations, while implying the U.S. economy is heading towards what was, only a few weeks ago, an improbable economic slowdown," said Stephen Innes, head of trading for APAC at Oanda.
Comments on Tuesday by New York Fed President John Williams (NYSE:WMB) about the path of interest rate hikes added to the uncertainty for investors.
Williams said the U.S. central bank should expect to continue raising interest rates "over the next year or so" even while it pays close attention to possible risks highlighted by financial markets. comments came after those from Fed chair Jerome Powell last week, which lifted stocks as they were interpreted as suggesting a less aggressive path of rate hikes.
The dollar, which started the week on a weak footing as the apparent thaw in trade tensions between the U.S. and China cooled demand for the safe-haven currency, extended its fall as investors worried about the inversion of the short end of the U.S. yield curve in bond markets. briefly drooped to a 17-month low on the day, before recovering ground to trade little-changed, in a volatile session dominated by Brexit-related headlines. prices pared some gains as fears flared that demand would stall due to a trade war between the U.S. and China, and that Russia remained a stumbling block to a deal to cut global crude supply. O/R
Brent crude oil LCOc1 settled at $62.08 per barrel, or jumped up 0.63 percent. U.S. light crude CLc1 was last up 30 cents at $53.25.
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