By Herbert Lash
NEW YORK, May 20 (Reuters) - Global equity markets fell on Monday as a U.S. crackdown on China's Huawei Technologies led chipmaker stocks in Europe and on Wall Street to slide on fears of a widening trade war, while the dollar was steady ahead of fresh insight on the Federal Reserve policies.
Asian shares managed to reverse some of last week's losses after Washington said it would lift tariffs in North America, but fresh Chinese trade comments sank that sentiment.
China accused the United States of harboring "extravagant expectations" for a trade deal, underlining the gulf between the two sides as the U.S. action last week against Huawei began to hit the global tech sector.
Alphabet Inc's GOOGL.O Google suspended some business with Huawei, Reuters reported, and Lumentum Holdings Inc LITE.O, a major supplier of Apple Inc's AAPL.O face ID technology, said it had discontinued all shipments to Huawei.
German chipmaker Infineon IFXGn.DE said it has continued most shipments to Huawei, denying a report in Japan's Nikkei daily that it had suspended deliveries to the Chinese firm.
Because technology stocks are a big driver of equity market returns, concerns about a slowdown in the sector weigh on investor sentiment, said Michael Arone, chief investment strategist at State Street Global Advisors in Boston.
"The volatility that we're seeing today is a direct result of President Trump's threats to Huawei," Arone said. "The challenge is there are no near-term trade meetings to provide a positive catalyst to this discussion."
Apple's shares fell 3.75%, Lumentum Holdings fell 3.63%, Infineon closed down 4.8% and Franco-Italian chipmaker STMicroelectronics STM.PA tumbled 9.08%.
The PHLX Semiconductor Index .SOX of 30 U.S. industry-related companies fell 4.15%.
Shares of Sprint Corp S.N and T-Mobile US Inc TMUS.O jumped after they announced changes to their proposed $26 billion merger, while U.S. regulators were expected to announce an agreement on the conditions necessary to approve the deal, sources said.
Shares later pared some gains after CNBC said the Justice Department was leaning against T-Mobile's takeover of Sprint. Sprint rose 14.89% and T-Mobile gained 2.83%.
The pan-European STOXX 600 index .STOXX closed down 1.06% and MSCI's gauge of stock performance in 47 countries .MIWD00000PUS shed 0.62%.
On Wall Street, the Dow Jones Industrial Average .DJI fell 120.78 points, or 0.47%, to 25,643.22. The S&P 500 .SPX lost 22.75 points, or 0.80%, to 2,836.78, and the Nasdaq Composite .IXIC dropped 119.90 points, or 1.53%, to 7,696.39.
The dollar was little changed but maintained last week's gains as investors held off on big moves while awaiting developments in U.S-China trade negotiations and for insight on Wednesday of the Fed's thinking on interest-rate policy with the release of the minutes from the Fed's last policy meeting. Investors hope the Fed minutes will show what prompted the policy-makers to strike a broadly neutral stance early this month.
The dollar index .DXY fell 0.06%, with the euro EUR= up 0.08% to $1.1165. The Japanese yen JPY= weakened 0.11% versus the greenback at 109.99 per dollar.
U.S. Treasury yields slipped, with long-dated debt falling for a second straight session as risk appetite diminished amid the ongoing U.S.-China trade tensions.
Volume was generally light, with very little economic data scheduled this week.
The benchmark 10-year U.S. Treasury note US10YT=RR fell 5/32 in price to yield 2.4122%.
Huawei, the world's largest telecoms equipment maker, was officially added to a trade blacklist by the Trump administration on Thursday, escalating the already bitter U.S.-China trade war, while China on Monday accused the United States of harboring "extravagant expectations" for a deal.
Oil prices rose to multi-week highs before global benchmark Brent eased as the Organization of the Petroleum Exporting Countries indicated it was likely to maintain production cuts that have helped boost prices.
Brent crude futures LCOc1 settled down 24 cents to $71.97 a barrel and U.S. West Texas Intermediate crude futures CLc1 gained 34 cents to settle at $63.10 a barrel.
Gold steadied after recovering slightly from a more than two-week low hit earlier in the session. U.S. gold futures GCcv1 settled 0.1% higher at $1,277.30 an ounce.
(Reporting by Herbert Lash; Editing by Dan Grebler and Leslie Adler)
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