Asian share markets sank on Tuesday as heightened worries about a slowing global economy sent Wall Street stocks skidding to their lowest levels in more than a year.

Asian share markets began the week on a cautious note after soft economic data from China and Europe added to evidence of cooling global growth and reinforced anxiety over the broadening impact of international trade frictions.

Asian shares tumbled on Friday after China reported a set of weak data, fanning fresh worries of a sharp slowdown in the world’s second-biggest economy and leaving investors fretting over the wider impact of a yet unresolved Sino-U.S. trade dispute.

Asian equity markets surged on Thursday on signs of easing Sino-U.S. trade tensions and expectations that China will step up efforts soon to support its cooling economy.

Asian stock markets rallied on Wednesday as U.S. President Donald trump sounded upbeat about a trade deal with China, while sterling struggled with the risk of an imminent party coup against British Prime Minister Theresa May.

Chinese shares rose on Tuesday after Beijing confirmed it was still in trade talks with Washington, but investor confidence remained fragile in Asia after Britain’s prime minister postponed a Brexit vote, sending the pound to near 20-month lows.

Losses in global stock markets snowballed on Monday, with U.S. equity futures and Asian shares sliding on worries over slowing growth and fears that a rise in tensions between Washington and Beijing could torpedo chances of a trade deal.

Asian shares fought to sustain the slimmest of recoveries on Friday amid speculation the Federal Reserve might be “one-and-done” with U.S. rate hikes, while oil fell anew as producers bickered over the details of an output cut.

U.S. stock futures and Asian shares tumbled on Thursday after Canadian authorities arrested a top executive of Chinese tech giant Huawei for extradition to the United States, fanning fears of a fresh flareup in tensions between the two superpowers.

Asian shares fell on Tuesday as relief over a pause in escalation of the trade war between the U.S. and China gave way to doubt over the two countries’ ability to resolve differences Adding to market worries, an inversion at the short end of the U.S. yield curve raised the specter of a possible U.S. recession.