* Stocks rally in biggest single-day bounce in month
* Major indexes post best gains since 2008 financial crisis
* Investors relieved as Fed pledge eases bond stress
* Factory surveys show extent of economic damage
By Herbert Lash, Sujata Rao and Marc Jones
NEW YORK/LONDON, March 24 (Reuters) - Stock markets soared on Tuesday, with a gauge of global equities posting its biggest gain since the coronavirus roiled financial markets a month ago, as the U.S. Congress zoned in on a $2 trillion stimulus package to curb the pandemic's economic toll.
Senate Majority Leader Mitch McConnell said a deal was "very close" for an aid package that investors hoped would turn around markets reeling from the biggest downturn since the global financial crisis more than a decade ago. market rally came a day after the U.S. Federal Reserve's offer of unlimited bond-buying to help avert a global depression failed to persuade skittish investors, at least initially.
The mood improved on Tuesday, with U.S. gold futures GCv1 climbing as much as 6.7% to $1,672.60 an ounce and the dollar halting its steady rise as the moves by the Fed and others eased the need for cash and slashed the demand for dollars.
The rally led some to suggest a rout that has trimmed U.S. and European equities by roughly 30% in the past month may be near an end.
"We're seeing some signs that a bottoming is happening," said Neel Shah, senior trader at Peak6 Capital Management. "The next big step is the Senate passing the stimulus bill."
U.S. and European stocks jumped 6% or more and the dollar index, a basket of major trading currencies, slid.
MSCI's gauge of stocks across the globe .MIWD00000PUS gained 8.39%, the largest single-day gain since equities tumbled from all-time highs a month ago and since the height of the global financial crisis in October 2008.
The broad pan-European STOXX 600 index .STOXX rose 8.40%, its strongest session since late-2008. The index is still down about 30% from a record peak hit in February.
German stocks .GDAXI jumped 11% and British blue chips .FTSE added 9% as both bourses also posted their best sessions since 2008.
Europe's so-called fear gauge .V2TX fell to 52.53, its lowest in nearly two weeks, after spiking to 12-year highs earlier this month.
Emerging market stocks rose 5.73%.
The rally was wide, lifting most stocks, with only 11 S&P 500 stocks declining on the day.
On Wall Street, the Dow Jones Industrial Average .DJI rose 2,112.98 points, or 11.37%, to 20,704.91. The S&P 500 .SPX gained 209.93 points, or 9.38%, to 2,447.33 and the Nasdaq Composite .IXIC added 557.18 points, or 8.12%, to 7,417.86.
Measures the Fed unveiled on Monday to boost liquidity across debt markets and backstop lending were seen by investors as helping market conditions.
"The Fed's measures are unprecedented, and they have been extremely proactive in preventing this external shock from morphing into a wider funding crisis," said Vasileios Gkionakis, head of FX strategy at Lombard Odier.
The Fed also will expand its mandate to buy corporate and municipal bonds and backstop a series of other measures that analysts estimate will deliver more than $4 trillion in loans to non-financial firms. countries unveiled their own measures. South Korea's ravaged market climbed 8.6% .KS11 after the government doubled a planned economic rescue package to 100 trillion won ($80 billion). China, mainland stocks posted their biggest gain in three weeks of almost 3% .CSI300 , while Japan's Nikkei .N225 soared 7%, its biggest daily gain in four years. .SS .T
Still, investors remained wary, as the number of coronavirus infections globally neared 400,000 and new infections brought in from abroad rose in China.
Business activity collapsed from Australia and Japan to Western Europe at a record pace in March, as measures to contain the outbreak hammered the world economy, and Japan said it was postponing the Olympics.
IHS Markit's flash composite Purchasing Managers' Index (PMI) for the euro zone, seen as a good gauge of economic health, plummeted to a record low of 31.4 in March, the biggest one-month fall since the survey began in 1998. government and central bank financial support helped calm nerves in bond markets, where yields on two-year U.S. Treasuries hit their lowest since 2013.
The benchmark 10-year U.S. Treasury note US10YT=RR fell 31/32 in price to yield 0.8642%.
Germany's 10-year yield was up 2 basis points on the day at -0.36%, compared with a 4 bps rise before the purchasing managers index (PMI) releases DE10YT=RR , all small moves when compared to record lows hit at -0.90% earlier in March.
ALL ABOUT THE ECONOMY
The impact of the virus on the global economy is evident in a series of growth forecast downgrades and advance readings of PMIs across the world's biggest economies.
German activity plunged to the lowest since the 2009 crisis, driven by a record services contraction, while French activity hit all-time lows. Japan posted its biggest-ever services fall. the prospect of massive Fed funding pushed the greenback 0.26% lower against rivals, off three-year peaks =USD , falling against the yen JPY= and sliding 1% versus the euro EUR= .
Brent LCOc1 futures rose 12 cents to settle at $27.15 a barrel, while U.S. West Texas Intermediate (WTI) crude CLc1 rose 65 cents to settle at $24.01.
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https://tmsnrt.rs/2Qq4pxe Volatility is back on Wall Street
https://tmsnrt.rs/39JliL5 Global financial markets since coronavirus escalated
https://reut.rs/39dPxbR Global equities post biggest daily gain since a decade ago
https://reut.rs/2UvW8ct
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