* Euro zone stocks hit highest since Feb 5
* World FX rates in 2018 http://tmsnrt.rs/2egbfVh
* Global assets performance in 2018 https://tmsnrt.rs/2H7fSLp
* Real yield on U.S. 2Y Treasuries higher than S&P 500 dividends https://tmsnrt.rs/2JSYMCO
By Helen Reid
LONDON, April 18 (Reuters) - Global stocks climbed to a near four-week high and Wall Street was gearing up for a positive open on Wednesday as strong U.S. first-quarter earnings helped revive risk appetite, driving up equities and hauling the dollar out of its slump.
MSCI's index of world stocks .MIWD00000PUS was last up 0.2 percent, while European stocks showed signs of fatigue after a strong start.
The top index of euro zone stocks .STOXX50E rose 0.2 percent, having touched its highest since Feb. 5, when a spike in volatility amplified a sell-off in global equity markets.
S&P 500 futures ESc1 also reduced gains slightly. It was last up 0.1 percent as investors awaited the next batch of U.S. results, with all eyes on Morgan Stanley (NYSE:MS) MS.N after Goldman Sachs (NYSE:GS) GS.N reported a surge in profits on strong trading gains.
Reflecting earnings optimism, the dollar index .DXY climbed 0.2 percent, recovering from a three-week low hit on Tuesday.
Analysts have downgraded their European earnings estimates ahead of the first-quarter results season, while U.S. companies are expected to deliver stellar results.
Investors were watching Europe's earnings season for signs of strain from a stronger euro, with Continental CONG.DE providing an early indication the currency's rise was hurting exporters.
The tyre maker fell 4.3 percent, driving a pullback in Germany's DAX .GDAXI , after a negative hit to earnings from exchange rates forced it to lower its outlook. a fall in volatility gauges reflected investors' renewed confidence in the resilience of equity markets. The S&P 500 volatility gauge .VIX hovered around a six-week low.
"Volatility has come down because expectations are very strong for the earnings season and the market is happy to see some hard data," said Laurent Godin, equity analyst at Indosuez Wealth Management.
Britain's FTSE 100 stood out with much stronger gains. It was up 0.7 percent after an unexpected fall in British inflation to a one-year low dented the pound GBP= -- good news for its high percentage of overseas revenue earners. investors were refocusing on fundamentals after weeks dominated by geopolitical tensions, the latest Bank of America Merrill Lynch (NYSE:BAC) (BAML) survey of fund managers showed signs of caution.
Investors cut their equity allocation to an 18-month low and increased their cash balances. like they were chasing the market up in January, investors have gradually started to sell," said Clark Fenton, chief investment officer at Agilis Investment Management.
"I think that gives the market scope to rally a bit more as positioning has lightened up."
TRANS-ATLANTIC YIELD GAP WIDENS, CURRENCIES MUTED
Fund managers named the threat of trade war as the biggest "tail risk" in BAML's survey, while they were less concerned about inflation causing convulsions in bond markets.
Monetary tightening, proceeding at a different pace on either side of the Atlantic, was making its mark on bond markets.
The gap between U.S. and German two-year bonds reached its widest in nearly 30 years, reflecting the diverging monetary policy outlook. US10YT=RR DE10YT=RR
"In some ways I am sort of surprised that it hasn't mattered more," said Agilis' Fenton, referring to the trans-Atlantic divergence. "I would have thought it would have helped European equity prices more on a relative basis."
The U.S. yield curve - the gap between U.S. 2-year and 10-year government bond yields -- flattened back slightly, having fallen to a low of 41.8 basis points overnight.
"I would worry if [the curve] got inverted. It's probably a bit premature to get too bent out of shape about it now," said Fenton.
The rise in short-dated yields has pushed the real yield on U.S. two-year Treasuries above the S&P 500 dividend yield for the first time in 10 years. https://tmsnrt.rs/2JSYMCO
Currency market movements, outside of a sliding sterling and recovering dollar, were restrained.
The euro was stuck at $1.2362 EUR= , after topping out at $1.2413 overnight.
The yen pulled back to 107.24 against the dollar JPY= . The safe-haven currency was pushed down by signs of progress in talks between South and North Korea. fell by a fraction, to $1,345.22 an ounce XAU= .
Strong metals prices, boosted by supply concerns after U.S. sanctions on Russian aluminium giant Rusal, helped send Europe's basic resources stocks .SXEP higher. MET/L
Oil prices also continued their relentless rise.
Brent crude futures LCOc1 were up 49 cents at $72.06 a barrel, while U.S. crude CLc1 rose 57 cents to $67.09 a barrel. O/R
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