Asian markets mostly fell Thursday as Donald Trump's ban preventing US companies from using foreign telecoms equipment jolted investors who saw it as targeting Chinese providers and risking another flare-up in an already tense trade war.

Donald Trump stepped up his battle against Huawei Wednesday, effectively barring the Chinese telecom giant from the US market and adding it to a blacklist restricting US sales to the firm amid an escalating trade war with China.

The world's oil supply fell last month, the International Energy Agency said Wednesday, amid rising global tensions as US sanctions on Iran tightened and OPEC+ members produced less crude in line with their pact.

A series of tweets by Donald Trump playing up the chances of a trade deal with China provided a much-needed boost to Asian equities Wednesday but investors trod cautiously as analysts warned of more volatility to come.

After a deadly crash in Indonesia, American Airlines pilots called a meeting to press Boeing executives for safety changes to the 737 MAX aircraft, US media reported Tuesday.

President Donald Trump on Tuesday labeled the escalating trade war with China "a little squabble" and again accused Beijing of scuttling an agreement when it was near completion.

Asian markets extended a global sell-off Tuesday following hefty losses on Wall Street that came in response to China's hike in tariffs on $60 billion of US imports, ramping up tensions in a trade war between the global economic titans.

British telecoms giant Vodafone announced Tuesday that it recorded a vast annual net loss of 7.6 billion euros ($8.5 billion), hit partly by the sale of its Indian assets.

Uber shares went into a fresh skid Monday -- more bad news for the global ride-hailing giant, which endured steep declines in it hotly anticipated market debut last week.

China said Monday it will raise tariffs on $60 billion worth of U.S. goods from June 1, in retaliation for the latest round of U.S. tariff hikes and Washington's plans to target almost all Chinese imports.