Global stocks stumbled as a batch of downbeat earnings fanned fresh concerns in a market already grappling with a US trade war. Chinese equities extended their slide from a three-year high, with investors citing a lack of fresh catalysts after a blistering rally. 

Stocks in Asia fall as the dollar gains amid concerns over US corporate earnings. Shares of FedEx — considered an economic barometer — sank in after-hours trading as the firm cut its profit outlook. US equity futures edge down, while Chinese and Hong Kong stocks underperform.

The euro weakens against the greenback and European equity contracts drop. EU leaders tussled over weapons deliveries to Kyiv and who would represent them in US-led diplomacy as the bloc struggled to formulate a Ukraine strategy.

US stocks fell as sentiment remains fragile a week after the S&P 500 slipped into a correction and ahead of the expiry of an estimated $4.5 trillion of options contracts on Friday in an event known as triple witching. US Treasuries consolidated gains in a choppy session.

South Korean chemicals companies are racing to tap new markets after racking up hundreds of millions of dollars in losses in the face of a deluge of capacity from China, their biggest market.