MSCI's broadest index of Asia-Pacific shares outside Japan fell 0.4 percent, with tech-heavy Korean shares falling 1.0 percent. Japan's Nikke fell 2.1 percent.
TOKYO: TOKYO: Asian shares fell on Monday after U.S. President Donald Trump cranked up trade tensions by going ahead with tariffs on Chinese imports, prompting Beijing to immediately respond in kind.
Fears of a global trade war added to pressure on oil prices, which extended Friday's big fall, while the dollar retreated from near 3-week highs against the safe haven yen
MSCI's broadest index of Asia-Pacific shares outside Japan skidded 0.4 percent to its lowest level since May 31.
Financial markets in China and Hong Kong were closed for Dragon Boat festival holiday. South Korea's Kospi index slipped 0.5 percent while Australian shares eased 0.1 percent.
Japan's Nikkei sank 0.9 percent as worries over growing protectionism overshadowed stronger-than-expected export data.
U.S. E-mini S&P futures were down 0.5 percent in early trade, suggesting a weaker start on Wall Street.
"The on-again off-again possible global trade war is looking to be back on again as the U.S. and China announced tariffs on each other’s imports," said Nick Twidale, Sydney-based analyst at Rakuten Securities Australia.
"This looks set to be the main theme that investors will focus on...with any further escalation in tension adding to the downside risk."
Trump announced hefty tariffs on $50 billion of Chinese imports on Friday, laying out a list of more than 800 strategically important imports from China that would be subject to a 25 percent tariff starting on July 6, including cars.
China said it would respond with tariffs "of the same scale and strength" and that any previous trade deals with Trump were "invalid." The official Xinhua news agency said China would impose 25 percent tariffs on 659 U.S. products, ranging from soybeans and autos to seafood.
China's retaliation list was increased more than six-fold from a version released in April, but the value was kept at $50 billion, as some high-value items such as commercial aircraft were deleted.
However, many market watchers believe there is still room for compromise, suspecting Trump's announcement was a negotiating tactic to wring faster concessions from Beijing.
LIMITED IMPACT?
Analysts say the direct impact of the tariffs may be limited, especially for the U.S. economy, which is in strong shape.
But Asia's other trade-reliant economies and companies plugged into China's supply chains are worried they will suffer collateral damage if world trade slows down, hurting global growth and dampening business confidence.
Shares of Japanese construction equipment makers Komatsu Ltd <6301.T> and Hitachi Construction Machinery <6305.T> tumbled 3.7 percent and 3.4 percent, respectively. Both are vulnerable to any downturns in Chinese and global capital spending.
"There are trade frictions not only between the U.S. and China but also between the U.S. and its allies. Trump could put more pressure on other countries like Japan and NATO courtiers," said Yoshinori Shigemi, global market strategist at JPMorgan Asset Management in Tokyo.
"So far investors have been escaping to high-tech shares and small cap shares. After all, money is still abundant. But investors should be cautious."
In the currency market, the dollar was supported for now as the euro has lost steam after the European Central Bank had suggested on Thursday it would hold off raising interest rates through the summer of next year.
The euro traded at $1.1587
The dollar eased to 110.33 yen
The Japanese currency stayed resilient following a deadly earthquake that struck Western Japan, including Osaka, the country's second largest urban area.
The Australian dollar
Oil prices were under pressure on fears of increased supply as two big producers - Saudi Arabia and Russia - have indicated they were prepared to increase output.
The Organization of Petroleum Exporting Countries (OPEC), Russia and other producers are due to meet in the Austrian capital on June 22-23.
U.S. crude futures took an additional hit also as China's retaliatory tariffs included crude oil.
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